diff --git a/iso/common.nix b/iso/common.nix
index fca5ed5..6da8025 100644
--- a/iso/common.nix
+++ b/iso/common.nix
@@ -2,7 +2,10 @@
 
 let
   sovranSource = builtins.path { path = ../.; name = "sovran-systemsos"; };
-  installer = pkgs.writeShellScriptBin "sovran-install" (builtins.readFile ./installer.sh);
+
+  installerPy = pkgs.writeShellScriptBin "sovran-install" ''
+    exec ${pkgs.python3.withPackages (ps: [ ps.pygobject3 ])}/bin/python3 /etc/sovran/installer.py
+  '';
 in
 {
   imports = [
@@ -13,11 +16,11 @@ in
   image.baseName = lib.mkForce "Sovran_SystemsOS";
   isoImage.splashImage = ./assets/splash-logo.png;
 
-  # Disable GNOME first-run tour and initial setup so the installer autostarts instead
+  # Disable GNOME first-run tour and initial setup
   services.gnome.gnome-initial-setup.enable = false;
   environment.gnome.excludePackages = with pkgs; [ gnome-tour gnome-user-docs ];
 
-  # Allow free user to run installer commands as root without a password
+  # Passwordless sudo for live ISO session
   security.sudo.wheelNeedsPassword = false;
   users.users.free = {
     isNormalUser = true;
@@ -32,8 +35,10 @@ in
   nix-bitcoin.generateSecrets = true;
 
   environment.systemPackages = with pkgs; [
-    installer
-    zenity
+    installerPy
+    (python3.withPackages (ps: [ ps.pygobject3 ]))
+    gtk3
+    gobject-introspection
     util-linux
     disko
     parted
@@ -46,14 +51,14 @@ in
   ];
 
   environment.etc."sovran/logo.png".source = ./assets/splash-logo.png;
-
   environment.etc."sovran/flake".source = sovranSource;
+  environment.etc."sovran/installer.py".source = ./installer.py;
 
   environment.etc."xdg/autostart/sovran-installer.desktop".text = ''
 [Desktop Entry]
 Type=Application
 Name=Sovran Guided Installer
-Exec=bash -c "DISPLAY=:0 DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$(id -u)/bus ${installer}/bin/sovran-install"
+Exec=bash -c "DISPLAY=:0 DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$(id -u)/bus ${installerPy}/bin/sovran-install"
 Terminal=false
 X-GNOME-Autostart-enabled=true
 '';
diff --git a/iso/installer.py b/iso/installer.py
new file mode 100644
index 0000000..b998b8e
--- /dev/null
+++ b/iso/installer.py
@@ -0,0 +1,600 @@
+#!/usr/bin/env python3
+import gi
+gi.require_version("Gtk", "3.0")
+from gi.repository import Gtk, GLib, Pango, GdkPixbuf
+import subprocess
+import threading
+import os
+import sys
+
+LOGO = "/etc/sovran/logo.png"
+LOG = "/tmp/sovran-install.log"
+FLAKE = "/etc/sovran/flake"
+logfile = open(LOG, "a")
+
+def log(msg):
+    logfile.write(msg + "\n")
+    logfile.flush()
+
+def run(cmd, **kwargs):
+    log(f"$ {' '.join(cmd)}")
+    result = subprocess.run(cmd, capture_output=True, text=True, **kwargs)
+    log(result.stdout)
+    if result.returncode != 0:
+        log(result.stderr)
+        raise RuntimeError(result.stderr or f"Command failed: {cmd}")
+    return result.stdout.strip()
+
+def run_stream(cmd, text_buffer):
+    log(f"$ {' '.join(cmd)}")
+    proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True)
+    for line in proc.stdout:
+        log(line.rstrip())
+        GLib.idle_add(append_text, text_buffer, line)
+    proc.wait()
+    if proc.returncode != 0:
+        raise RuntimeError(f"Command failed with code {proc.returncode}. See {LOG}")
+
+def append_text(buf, text):
+    buf.insert(buf.get_end_iter(), text)
+    return False
+
+def human_size(nbytes):
+    for unit in ["B","KB","MB","GB","TB"]:
+        if nbytes < 1024:
+            return f"{nbytes:.1f} {unit}"
+        nbytes /= 1024
+    return f"{nbytes:.1f} PB"
+
+# ── Window base ────────────────────────────────────────────────────────────────
+
+class InstallerWindow(Gtk.Window):
+    def __init__(self):
+        super().__init__(title="Sovran_SystemsOS Installer")
+        self.set_default_size(800, 560)
+        self.set_position(Gtk.WindowPosition.CENTER)
+        self.set_resizable(False)
+        if os.path.exists(LOGO):
+            self.set_icon_from_file(LOGO)
+        self.connect("delete-event", Gtk.main_quit)
+
+        self.stack = Gtk.Stack()
+        self.stack.set_transition_type(Gtk.StackTransitionType.SLIDE_LEFT)
+        self.stack.set_transition_duration(300)
+        self.add(self.stack)
+
+        self.role = None
+        self.boot_disk = None
+        self.boot_size = None
+        self.data_disk = None
+        self.data_size = None
+
+        self.show_welcome()
+        self.show_all()
+
+    # ── Helpers ────────────────────────────────────────────────────────────
+
+    def clear_stack(self):
+        for child in self.stack.get_children():
+            self.stack.remove(child)
+
+    def set_page(self, widget, name="page"):
+        self.clear_stack()
+        self.stack.add_named(widget, name)
+        self.stack.set_visible_child_name(name)
+        self.show_all()
+
+    def make_header(self, title, subtitle=None):
+        box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=4)
+        box.set_margin_top(32)
+        box.set_margin_bottom(16)
+        box.set_margin_start(40)
+        box.set_margin_end(40)
+
+        lbl = Gtk.Label()
+        lbl.set_markup(f"<span font='24' weight='heavy'>{title}</span>")
+        lbl.set_halign(Gtk.Align.START)
+        box.pack_start(lbl, False, False, 0)
+
+        if subtitle:
+            sub = Gtk.Label()
+            sub.set_markup(f"<span font='13' foreground='#888888'>{subtitle}</span>")
+            sub.set_halign(Gtk.Align.START)
+            box.pack_start(sub, False, False, 0)
+
+        sep = Gtk.Separator()
+        sep.set_margin_top(12)
+        box.pack_start(sep, False, False, 0)
+        return box
+
+    def make_nav(self, back_label=None, back_cb=None, next_label="Continue", next_cb=None):
+        bar = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=8)
+        bar.set_margin_top(8)
+        bar.set_margin_bottom(20)
+        bar.set_margin_start(40)
+        bar.set_margin_end(40)
+
+        if back_label and back_cb:
+            btn = Gtk.Button(label=back_label)
+            btn.connect("clicked", back_cb)
+            bar.pack_start(btn, False, False, 0)
+
+        bar.pack_start(Gtk.Label(), True, True, 0)
+
+        if next_cb:
+            btn = Gtk.Button(label=next_label)
+            btn.get_style_context().add_class("suggested-action")
+            btn.connect("clicked", next_cb)
+            bar.pack_end(btn, False, False, 0)
+
+        return bar
+
+    def error(self, msg):
+        GLib.idle_add(self._show_error, msg)
+
+    def _show_error(self, msg):
+        page = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)
+        page.pack_start(self.make_header("Installation Error", "Something went wrong."), False, False, 0)
+
+        body = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=16)
+        body.set_margin_start(40)
+        body.set_margin_end(40)
+
+        icon = Gtk.Label()
+        icon.set_markup("<span font='48'>❌</span>")
+        body.pack_start(icon, False, False, 0)
+
+        lbl = Gtk.Label(label=msg)
+        lbl.set_line_wrap(True)
+        lbl.set_max_width_chars(60)
+        lbl.set_justify(Gtk.Justification.CENTER)
+        body.pack_start(lbl, False, False, 0)
+
+        log_lbl = Gtk.Label()
+        log_lbl.set_markup(f"<span font='11' foreground='#888'>Full log: {LOG}</span>")
+        body.pack_start(log_lbl, False, False, 0)
+
+        page.pack_start(body, True, True, 0)
+
+        quit_btn = Gtk.Button(label="Close Installer")
+        quit_btn.connect("clicked", Gtk.main_quit)
+        nav = Gtk.Box()
+        nav.set_margin_bottom(20)
+        nav.set_margin_end(40)
+        nav.pack_end(quit_btn, False, False, 0)
+        page.pack_start(nav, False, False, 0)
+
+        self.set_page(page)
+        return False
+
+    # ── Step 1: Welcome & Role ─────────────────────────────────────────────
+
+    def show_welcome(self):
+        page = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)
+
+        # Hero banner
+        hero = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=6)
+        hero.set_margin_top(36)
+        hero.set_margin_bottom(20)
+
+        if os.path.exists(LOGO):
+            try:
+                pb = GdkPixbuf.Pixbuf.new_from_file_at_scale(LOGO, 80, 80, True)
+                img = Gtk.Image.new_from_pixbuf(pb)
+                hero.pack_start(img, False, False, 0)
+            except Exception:
+                pass
+
+        title = Gtk.Label()
+        title.set_markup("<span font='28' weight='heavy'>Sovran Systems</span>")
+        hero.pack_start(title, False, False, 0)
+
+        sub = Gtk.Label()
+        sub.set_markup("<span font='14' style='italic' foreground='#888888'>Be Digitally Sovereign</span>")
+        hero.pack_start(sub, False, False, 0)
+
+        page.pack_start(hero, False, False, 0)
+
+        sep = Gtk.Separator()
+        sep.set_margin_start(40)
+        sep.set_margin_end(40)
+        page.pack_start(sep, False, False, 0)
+
+        # Role selection
+        lbl = Gtk.Label()
+        lbl.set_markup("<span font='13'>Select your installation type:</span>")
+        lbl.set_margin_top(20)
+        lbl.set_margin_start(40)
+        lbl.set_halign(Gtk.Align.START)
+        page.pack_start(lbl, False, False, 0)
+
+        roles = [
+            ("Server + Desktop",
+             "The full Sovran experience: beautiful desktop + your own cloud, secure messaging, Bitcoin node, and more.",
+             "Server+Desktop"),
+            ("Desktop Only",
+             "A beautiful, easy-to-use desktop without the background server applications.",
+             "Desktop Only"),
+            ("Node Only",
+             "Full Bitcoin node with Lightning and non-KYC buying and selling. No desktop.",
+             "Node (Bitcoin-only)"),
+        ]
+
+        radio_group = None
+        self._role_radios = []
+        role_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=4)
+        role_box.set_margin_start(40)
+        role_box.set_margin_end(40)
+        role_box.set_margin_top(8)
+
+        for label, desc, key in roles:
+            row = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=2)
+            row.set_margin_bottom(8)
+
+            radio = Gtk.RadioButton(group=radio_group, label=label)
+            radio.set_name(key)
+            if radio_group is None:
+                radio_group = radio
+                radio.set_active(True)
+            radio.get_style_context().add_class("role-radio")
+            self._role_radios.append(radio)
+
+            desc_lbl = Gtk.Label(label=desc)
+            desc_lbl.set_line_wrap(True)
+            desc_lbl.set_max_width_chars(70)
+            desc_lbl.set_halign(Gtk.Align.START)
+            desc_lbl.set_margin_start(28)
+            desc_lbl.get_style_context().add_class("dim-label")
+
+            row.pack_start(radio, False, False, 0)
+            row.pack_start(desc_lbl, False, False, 0)
+            role_box.pack_start(row, False, False, 0)
+
+        page.pack_start(role_box, False, False, 0)
+        page.pack_start(Gtk.Label(), True, True, 0)
+        page.pack_start(self.make_nav(next_label="Next →", next_cb=self.on_role_next), False, False, 0)
+        self.set_page(page, "welcome")
+
+    def on_role_next(self, btn):
+        for radio in self._role_radios:
+            if radio.get_active():
+                self.role = radio.get_name()
+                break
+        self.show_disk_confirm()
+
+    # ── Step 2: Disk Confirm ───────────────────────────────────────────────
+
+    def show_disk_confirm(self):
+        # Detect disks
+        try:
+            raw = run(["lsblk", "-b", "-dno", "NAME,SIZE,TYPE,RO,TRAN", "-e", "7,11"])
+        except Exception as e:
+            self.error(str(e))
+            return
+
+        disks = []
+        for line in raw.splitlines():
+            parts = line.split()
+            if len(parts) >= 4 and parts[2] == "disk" and parts[3] == "0":
+                tran = parts[4] if len(parts) >= 5 else ""
+                if tran != "usb":
+                    disks.append((parts[0], int(parts[1])))
+
+        if not disks:
+            self.error("No valid internal drives found. USB drives are excluded.")
+            return
+
+        disks.sort(key=lambda x: x[1])
+        self.boot_disk, self.boot_size = disks[0]
+        self.data_disk, self.data_size = None, None
+
+        BYTES_2TB = 2 * 1024 ** 4
+        if len(disks) >= 2:
+            d, s = disks[-1]
+            if s >= BYTES_2TB:
+                self.data_disk, self.data_size = d, s
+
+        page = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)
+        page.pack_start(self.make_header(
+            "Confirm Installation",
+            "Review the disks below. ALL DATA will be permanently erased."
+        ), False, False, 0)
+
+        body = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=12)
+        body.set_margin_start(40)
+        body.set_margin_end(40)
+        body.set_margin_top(8)
+
+        # Disk info box
+        disk_frame = Gtk.Frame()
+        disk_frame.set_shadow_type(Gtk.ShadowType.IN)
+        disk_inner = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=8)
+        disk_inner.set_margin_top(12)
+        disk_inner.set_margin_bottom(12)
+        disk_inner.set_margin_start(16)
+        disk_inner.set_margin_end(16)
+
+        boot_lbl = Gtk.Label()
+        boot_lbl.set_markup(f"<b>Boot disk:</b>  /dev/{self.boot_disk}  ({human_size(self.boot_size)})")
+        boot_lbl.set_halign(Gtk.Align.START)
+        disk_inner.pack_start(boot_lbl, False, False, 0)
+
+        if self.data_disk:
+            data_lbl = Gtk.Label()
+            data_lbl.set_markup(f"<b>Data disk:</b>  /dev/{self.data_disk}  ({human_size(self.data_size)})")
+            data_lbl.set_halign(Gtk.Align.START)
+            disk_inner.pack_start(data_lbl, False, False, 0)
+        else:
+            no_data = Gtk.Label()
+            no_data.set_markup("<b>Data disk:</b>  none detected (requires 2TB+)")
+            no_data.set_halign(Gtk.Align.START)
+            disk_inner.pack_start(no_data, False, False, 0)
+
+        disk_frame.add(disk_inner)
+        body.pack_start(disk_frame, False, False, 0)
+
+        warn = Gtk.Label()
+        warn.set_markup(
+            "<span foreground='#cc0000' weight='bold'>⚠  This action cannot be undone. "
+            "All existing data on the above disk(s) will be permanently destroyed.</span>"
+        )
+        warn.set_line_wrap(True)
+        warn.set_max_width_chars(65)
+        warn.set_halign(Gtk.Align.START)
+        body.pack_start(warn, False, False, 0)
+
+        # Confirm entry
+        confirm_lbl = Gtk.Label(label='Type  ERASE  to confirm:')
+        confirm_lbl.set_halign(Gtk.Align.START)
+        body.pack_start(confirm_lbl, False, False, 0)
+
+        self._confirm_entry = Gtk.Entry()
+        self._confirm_entry.set_placeholder_text("ERASE")
+        body.pack_start(self._confirm_entry, False, False, 0)
+
+        page.pack_start(body, False, False, 0)
+        page.pack_start(Gtk.Label(), True, True, 0)
+        page.pack_start(self.make_nav(
+            back_label="← Back", back_cb=lambda b: self.show_welcome(),
+            next_label="Begin Installation", next_cb=self.on_confirm_next
+        ), False, False, 0)
+        self.set_page(page, "disks")
+
+    def on_confirm_next(self, btn):
+        if self._confirm_entry.get_text().strip() != "ERASE":
+            dlg = Gtk.MessageDialog(
+                transient_for=self,
+                modal=True,
+                message_type=Gtk.MessageType.WARNING,
+                buttons=Gtk.ButtonsType.OK,
+                text="You must type ERASE exactly to continue."
+            )
+            dlg.run()
+            dlg.destroy()
+            return
+        self.show_progress("Preparing Drives", "Partitioning and formatting your drives...", self.do_partition)
+
+    # ── Step 3 & 5: Progress with live log ────────────────────────────────
+
+    def show_progress(self, title, subtitle, worker_fn):
+        page = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)
+        page.pack_start(self.make_header(title, subtitle), False, False, 0)
+
+        body = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=12)
+        body.set_margin_start(40)
+        body.set_margin_end(40)
+
+        spinner = Gtk.Spinner()
+        spinner.set_size_request(48, 48)
+        spinner.start()
+        body.pack_start(spinner, False, False, 0)
+
+        # Scrollable live log
+        sw = Gtk.ScrolledWindow()
+        sw.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
+        sw.set_size_request(-1, 260)
+
+        tv = Gtk.TextView()
+        tv.set_editable(False)
+        tv.set_cursor_visible(False)
+        tv.set_wrap_mode(Gtk.WrapMode.WORD_CHAR)
+        tv.modify_font(Pango.FontDescription("Monospace 9"))
+        tv.get_style_context().add_class("log-view")
+        buf = tv.get_buffer()
+        sw.add(tv)
+        body.pack_start(sw, True, True, 0)
+
+        # Auto-scroll to bottom
+        def on_changed(b):
+            adj = sw.get_vadjustment()
+            adj.set_value(adj.get_upper() - adj.get_page_size())
+        buf.connect("changed", on_changed)
+
+        page.pack_start(body, True, True, 0)
+        self.set_page(page, "progress")
+
+        def thread_fn():
+            try:
+                worker_fn(buf)
+            except Exception as e:
+                self.error(str(e))
+
+        t = threading.Thread(target=thread_fn, daemon=True)
+        t.start()
+
+    # ── Worker: partition ─────────────────────────────────────────────────
+
+    def do_partition(self, buf):
+        GLib.idle_add(append_text, buf, "=== Partitioning drives ===\n")
+        boot_path = f"/dev/{self.boot_disk}"
+        cmd = [
+            "sudo", "disko", "--mode", "disko",
+            f"{FLAKE}/iso/disko.nix",
+            "--arg", "device", f'"{boot_path}"'
+        ]
+        if self.data_disk:
+            cmd += ["--arg", "dataDevice", f'"/dev/{self.data_disk}"']
+        run_stream(cmd, buf)
+
+        GLib.idle_add(append_text, buf, "\n=== Generating hardware config ===\n")
+        run_stream(["sudo", "nixos-generate-config", "--root", "/mnt"], buf)
+
+        GLib.idle_add(append_text, buf, "\n=== Copying flake to /mnt ===\n")
+        run(["sudo", "cp", "/mnt/etc/nixos/hardware-configuration.nix", "/tmp/hardware-configuration.nix"])
+        run(["sudo", "rm", "-rf", "/mnt/etc/nixos/"])
+        run(["sudo", "mkdir", "-p", "/mnt/etc/nixos"])
+        run(["sudo", "cp", "-a", f"{FLAKE}/.", "/mnt/etc/nixos/"])
+        run(["sudo", "cp", "/tmp/hardware-configuration.nix", "/mnt/etc/nixos/hardware-configuration.nix"])
+
+        GLib.idle_add(append_text, buf, "\n=== Writing role config ===\n")
+        self.write_role_state()
+
+        GLib.idle_add(self.show_install_step)
+
+    def write_role_state(self):
+        is_server = str(self.role == "Server+Desktop").lower()
+        is_desktop = str(self.role == "Desktop Only").lower()
+        is_node = str(self.role == "Node (Bitcoin-only)").lower()
+        content = f"""# THIS FILE IS AUTO-GENERATED BY THE INSTALLER. DO NOT EDIT.
+{{ config, lib, ... }}:
+{{
+  sovran_systemsOS.roles.server_plus_desktop = lib.mkDefault {is_server};
+  sovran_systemsOS.roles.desktop = lib.mkDefault {is_desktop};
+  sovran_systemsOS.roles.node = lib.mkDefault {is_node};
+}}
+"""
+        proc = subprocess.run(
+            ["sudo", "tee", "/mnt/etc/nixos/role-state.nix"],
+            input=content, text=True, capture_output=True
+        )
+        log(proc.stdout)
+        if proc.returncode != 0:
+            raise RuntimeError(f"Failed to write role-state.nix: {proc.stderr}")
+
+        run(["sudo", "cp", "/mnt/etc/nixos/custom.template.nix", "/mnt/etc/nixos/custom.nix"])
+
+    # ── Step 4: Confirm before full install ───────────────────────────────
+
+    def show_install_step(self):
+        page = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)
+        page.pack_start(self.make_header(
+            "Drives Ready",
+            "Your drives have been partitioned. Ready to install Sovran SystemsOS."
+        ), False, False, 0)
+
+        body = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=12)
+        body.set_margin_start(40)
+        body.set_margin_end(40)
+        body.set_margin_top(16)
+
+        icon = Gtk.Label()
+        icon.set_markup("<span font='48'>✅</span>")
+        body.pack_start(icon, False, False, 0)
+
+        info = Gtk.Label()
+        info.set_markup(
+            f"<b>Role:</b>  {self.role}\n"
+            f"<b>Boot disk:</b>  /dev/{self.boot_disk}  ({human_size(self.boot_size)})\n" +
+            (f"<b>Data disk:</b>  /dev/{self.data_disk}  ({human_size(self.data_size)})"
+             if self.data_disk else "<b>Data disk:</b>  none")
+        )
+        info.set_halign(Gtk.Align.CENTER)
+        info.set_justify(Gtk.Justification.CENTER)
+        body.pack_start(info, False, False, 0)
+
+        note = Gtk.Label()
+        note.set_markup(
+            "<span foreground='#888'>The next step will install the full system.\n"
+            "This may take <b>20–40 minutes</b> depending on your internet speed.\n"
+            "Do not turn off your computer.</span>"
+        )
+        note.set_justify(Gtk.Justification.CENTER)
+        note.set_line_wrap(True)
+        body.pack_start(note, False, False, 0)
+
+        page.pack_start(body, True, True, 0)
+        page.pack_start(self.make_nav(
+            next_label="Install Now", next_cb=lambda b: self.show_progress(
+                "Installing Sovran SystemsOS",
+                "Building and installing your system. This will take a while...",
+                self.do_install
+            )
+        ), False, False, 0)
+        self.set_page(page, "ready")
+        return False
+
+    # ── Worker: install ───────────────────────────────────────────────────
+
+    def do_install(self, buf):
+        GLib.idle_add(append_text, buf, "=== Running nixos-install ===\n")
+        run_stream([
+            "sudo", "nixos-install",
+            "--root", "/mnt",
+            "--flake", "/mnt/etc/nixos#nixos"
+        ], buf)
+        GLib.idle_add(self.show_complete)
+
+    # ── Step 6: Complete ──────────────────────────────────────────────────
+
+    def show_complete(self):
+        page = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)
+        page.pack_start(self.make_header("Installation Complete! 🎉", "Welcome to Sovran SystemsOS."), False, False, 0)
+
+        body = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=16)
+        body.set_margin_start(40)
+        body.set_margin_end(40)
+        body.set_margin_top(16)
+
+        icon = Gtk.Label()
+        icon.set_markup("<span font='48'>🎉</span>")
+        body.pack_start(icon, False, False, 0)
+
+        creds_frame = Gtk.Frame(label=" Write down your login details ")
+        creds_inner = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=6)
+        creds_inner.set_margin_top(10)
+        creds_inner.set_margin_bottom(10)
+        creds_inner.set_margin_start(16)
+        creds_inner.set_margin_end(16)
+
+        user_lbl = Gtk.Label()
+        user_lbl.set_markup("<b>Username:</b>  free")
+        user_lbl.set_halign(Gtk.Align.START)
+        creds_inner.pack_start(user_lbl, False, False, 0)
+
+        pass_lbl = Gtk.Label()
+        pass_lbl.set_markup("<b>Password:</b>  free")
+        pass_lbl.set_halign(Gtk.Align.START)
+        creds_inner.pack_start(pass_lbl, False, False, 0)
+
+        creds_frame.add(creds_inner)
+        body.pack_start(creds_frame, False, False, 0)
+
+        note = Gtk.Label()
+        note.set_markup(
+            "🚨 <b>Do not lose this password</b> — you will be permanently locked out if you forget it.\n\n"
+            "📁 After rebooting, your system will finish setting up and save all app passwords\n"
+            "(Nextcloud, Bitcoin, Matrix, etc.) to a secure PDF in your <b>Documents</b> folder."
+        )
+        note.set_line_wrap(True)
+        note.set_max_width_chars(65)
+        note.set_justify(Gtk.Justification.CENTER)
+        body.pack_start(note, False, False, 0)
+
+        page.pack_start(body, True, True, 0)
+
+        reboot_btn = Gtk.Button(label="Reboot Now")
+        reboot_btn.get_style_context().add_class("suggested-action")
+        reboot_btn.connect("clicked", lambda b: subprocess.run(["sudo", "reboot"]))
+        nav = Gtk.Box()
+        nav.set_margin_bottom(20)
+        nav.set_margin_end(40)
+        nav.pack_end(reboot_btn, False, False, 0)
+        page.pack_start(nav, False, False, 0)
+
+        self.set_page(page, "complete")
+        return False
+
+
+if __name__ == "__main__":
+    win = InstallerWindow()
+    Gtk.main()
\ No newline at end of file
diff --git a/iso/installer.sh b/iso/installer.sh
deleted file mode 100644
index 173c229..0000000
--- a/iso/installer.sh
+++ /dev/null
@@ -1,183 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-LOG=/tmp/sovran-install.log
-exec > >(tee -a "$LOG") 2>&1
-
-export PATH=/run/current-system/sw/bin:$PATH
-
-BYTES_2TB=$((2 * 1024 * 1024 * 1024 * 1024))
-LOGO="/etc/sovran/logo.png"
-
-human_size() {
-  numfmt --to=iec --suffix=B "$1"
-}
-
-# ── 1. WELCOME & ROLE SELECTION ──────────────────────────────────────────
-
-ROLE=$(zenity --list --radiolist \
-  --icon="$LOGO" \
-  --width=700 --height=450 \
-  --title="Welcome to Sovran_SystemsOS Installer" \
-  --text="<span font='28' weight='heavy'>Sovran Systems</span>\n<span font='14' style='italic' foreground='#aaaaaa'>Be Digitally Sovereign</span>\n\nPlease select your installation type:" \
-  --print-column=2 \
-  --column="Select" --column="Role" \
-  TRUE  "Server + Desktop — Full sovereign experience: desktop, cloud, messaging, Bitcoin node." \
-  FALSE "Desktop Only — Beautiful desktop without background server applications." \
-  FALSE "Node Only — Full Bitcoin node with Lightning and non-KYC buying and selling." \
-  || true)
-
-if [ -z "$ROLE" ]; then
-  zenity --error --icon="$LOGO" --text="Installation cancelled."
-  exit 1
-fi
-
-case "$ROLE" in
-  Server*) ROLE="Server+Desktop" ;;
-  Desktop*) ROLE="Desktop Only" ;;
-  Node*) ROLE="Node (Bitcoin-only)" ;;
-esac
-
-# ── 2. FETCH DISKS ───────────────────────────────────────────────────────
-
-mapfile -t DISKS < <(lsblk -b -dno NAME,SIZE,TYPE,RO,TRAN -e 7,11 | awk '$3=="disk" && $4=="0" && $5!="usb" {print $1":"$2}')
-
-if [ "${#DISKS[@]}" -eq 0 ]; then
-  zenity --error --icon="$LOGO" --text="No valid internal drives found. USB drives are ignored."
-  exit 1
-fi
-
-IFS=$'\n' DISKS_SORTED=($(printf "%s\n" "${DISKS[@]}" | sort -t: -k2,2n))
-unset IFS
-
-BOOT_DISK="${DISKS_SORTED[0]%%:*}"
-BOOT_SIZE="${DISKS_SORTED[0]##*:}"
-
-DATA_DISK=""
-DATA_SIZE=""
-
-if [ "${#DISKS_SORTED[@]}" -ge 2 ]; then
-  DATA_DISK="${DISKS_SORTED[-1]%%:*}"
-  DATA_SIZE="${DISKS_SORTED[-1]##*:}"
-fi
-
-if [ -n "$DATA_DISK" ] && [ "$DATA_SIZE" -lt "$BYTES_2TB" ]; then
-  zenity --warning --icon="$LOGO" --width=500 \
-    --text="A second disk was detected (${DATA_DISK}), but it is smaller than 2TB and will not be used as a data disk."
-  DATA_DISK=""
-  DATA_SIZE=""
-fi
-
-SUMMARY="Boot disk:  /dev/${BOOT_DISK} ($(human_size "$BOOT_SIZE"))"
-if [ -n "$DATA_DISK" ]; then
-  SUMMARY="${SUMMARY}\nData disk:  /dev/${DATA_DISK} ($(human_size "$DATA_SIZE"))"
-else
-  SUMMARY="${SUMMARY}\nData disk:  none detected"
-fi
-
-# ── 3. CONFIRM ERASE ─────────────────────────────────────────────────────
-
-CONFIRM=$(zenity --entry \
-  --icon="$LOGO" \
-  --width=560 \
-  --title="Confirm Installation" \
-  --text="WARNING: This will permanently erase all data on:\n\n${SUMMARY}\n\nType ERASE below to confirm and begin installation.")
-
-if [ "$CONFIRM" != "ERASE" ]; then
-  zenity --error --icon="$LOGO" --text="Installation cancelled. Nothing was changed."
-  exit 1
-fi
-
-BOOT_PATH="/dev/${BOOT_DISK}"
-DATA_PATH=""
-if [ -n "$DATA_DISK" ]; then
-  DATA_PATH="/dev/${DATA_DISK}"
-fi
-
-# ── 4. PARTITION & FORMAT ─────────────────────────────────────────────────
-
-zenity --info \
-  --icon="$LOGO" \
-  --title="Preparing Drives" \
-  --text="Please wait while your drives are being set up...\n\nThis may take a few minutes. Do not turn off your computer." \
-  --width=520 &
-ZENITY_WAIT_PID=$!
-
-if [ -n "$DATA_PATH" ]; then
-  sudo disko --mode disko /etc/sovran/flake/iso/disko.nix \
-    --arg device '"'"$BOOT_PATH"'"' \
-    --arg dataDevice '"'"$DATA_PATH"'"'
-else
-  sudo disko --mode disko /etc/sovran/flake/iso/disko.nix \
-    --arg device '"'"$BOOT_PATH"'"'
-fi
-
-kill $ZENITY_WAIT_PID 2>/dev/null || true
-
-# ── 5. COPY CONFIG ────────────────────────────────────────────────────────
-
-sudo nixos-generate-config --root /mnt
-
-cp /mnt/etc/nixos/hardware-configuration.nix /tmp/hardware-configuration.nix
-sudo rm -rf /mnt/etc/nixos/*
-sudo cp -a /etc/sovran/flake/* /mnt/etc/nixos/
-sudo cp /tmp/hardware-configuration.nix /mnt/etc/nixos/hardware-configuration.nix
-
-# ── 6. APPLY ROLE STATE & TEMPLATE ───────────────────────────────────────
-
-IS_SERVER="false"
-IS_DESKTOP="false"
-IS_NODE="false"
-
-case "$ROLE" in
-  "Server+Desktop")      IS_SERVER="true" ;;
-  "Desktop Only")        IS_DESKTOP="true" ;;
-  "Node (Bitcoin-only)") IS_NODE="true" ;;
-esac
-
-sudo tee /mnt/etc/nixos/role-state.nix > /dev/null <<EOF
-# THIS FILE IS AUTO-GENERATED BY THE INSTALLER. DO NOT EDIT.
-# To change your role later, edit custom.nix instead.
-{ config, lib, ... }:
-{
-  sovran_systemsOS.roles.server_plus_desktop = lib.mkDefault ${IS_SERVER};
-  sovran_systemsOS.roles.desktop = lib.mkDefault ${IS_DESKTOP};
-  sovran_systemsOS.roles.node = lib.mkDefault ${IS_NODE};
-}
-EOF
-
-sudo cp /mnt/etc/nixos/custom.template.nix /mnt/etc/nixos/custom.nix
-
-# ── 7. VERIFY FILES ───────────────────────────────────────────────────────
-
-for f in /mnt/etc/nixos/role-state.nix /mnt/etc/nixos/custom.nix; do
-  if [ ! -f "$f" ]; then
-    zenity --error --icon="$LOGO" --width=500 \
-      --title="Installation Error" \
-      --text="A required file is missing:\n\n${f}\n\nInstallation cannot continue. Please check the log at ${LOG} and try again."
-    exit 1
-  fi
-done
-
-# ── 8. FINAL INSTALL ─────────────────────────────────────────────────────
-
-zenity --info \
-  --icon="$LOGO" \
-  --title="Installing Sovran SystemsOS" \
-  --text="Please wait while your system is being installed...\n\nThis may take 20-40 minutes depending on your internet speed.\nDo not turn off your computer." \
-  --width=520 &
-ZENITY_INSTALL_PID=$!
-
-sudo nixos-install --root /mnt --flake /mnt/etc/nixos#nixos
-
-kill $ZENITY_INSTALL_PID 2>/dev/null || true
-
-# ── 9. COMPLETE ───────────────────────────────────────────────────────────
-
-zenity --info \
-  --icon="$LOGO" \
-  --width=600 \
-  --title="Installation Complete!" \
-  --text="Installation Successful!\n\nPlease write down your login details before rebooting:\n\nUsername: free\nPassword: free\n\nCRITICAL: Do not lose this password or you will be permanently locked out.\n\nAfter rebooting your system will finish setting up and save all app passwords (Nextcloud, Bitcoin, Matrix, etc.) to a secure PDF in your Documents folder.\n\nClick OK to reboot into your new system!"
-
-sudo reboot
diff --git a/result b/result
index d6c6901..f5a2b75 120000
--- a/result
+++ b/result
@@ -1 +1 @@
-/nix/store/0z2yggkzywnp2zgfl8khazs1vk92yw7q-Sovran_SystemsOS.iso
\ No newline at end of file
+/nix/store/yaw5krmqdcyw79z4d91hyg92fwdas91k-Sovran_SystemsOS.iso
\ No newline at end of file