diff --git a/README.md b/README.md
index ebdd875..7c224fe 100644
--- a/README.md
+++ b/README.md
@@ -67,9 +67,23 @@ Modly supports external AI model extensions. Each extension is a GitHub reposito
 
 ### Official extensions
 
-| Extension | Model |
-|-----------|-------|
-| [modly-hunyuan3d-mini-extension](https://github.com/lightningpixel/modly-hunyuan3d-mini-extension) | Hunyuan3D 2 Mini |
+| Extension | Model | URL |
+|-----------|-------|-----|
+| [modly-hunyuan3d-mini-extension](https://github.com/lightningpixel/modly-hunyuan3d-mini-extension) | Hunyuan3D 2 Mini | https://github.com/lightningpixel/modly-hunyuan3d-mini-extension |
+
+### How to install an extension
+
+**1.** Go to the **Models** page and click **Install from GitHub**.
+
+![Install from GitHub](docs/install-from-github.png)
+
+**2.** Enter the HTTPS URL of the extension repository and confirm.
+
+![Enter extension URL](docs/install-extension.png)
+
+**3.** Once the extension is installed, download the model or one of its variants.
+
+![Install models](docs/install-models.png)
 
 ---
 
diff --git a/docs/install-extension.png b/docs/install-extension.png
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diff --git a/docs/install-models.png b/docs/install-models.png
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diff --git a/package.json b/package.json
index 629dceb..8a2af26 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "modly",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "description": "Local AI-powered 3D mesh generation from images",
   "main": "./out/main/index.js",
   "author": "Modly",
diff --git a/src/areas/generate/components/GenerationOptions.tsx b/src/areas/generate/components/GenerationOptions.tsx
index 0814b6c..f89a772 100644
--- a/src/areas/generate/components/GenerationOptions.tsx
+++ b/src/areas/generate/components/GenerationOptions.tsx
@@ -1,6 +1,6 @@
 import { useEffect, useRef, useState } from 'react'
 import { useAppStore } from '@shared/stores/appStore'
-import { FieldLabel, Tooltip } from '@shared/components/ui'
+import { FieldLabel, Tooltip, ConfirmModal } from '@shared/components/ui'
 
 import type { CatalogModel } from '../models'
 
@@ -161,6 +161,7 @@ export default function GenerationOptions(): JSX.Element {
   )
 
   const isDisabled = currentJob?.status === 'uploading' || currentJob?.status === 'generating'
+  const [showTextureWarning, setShowTextureWarning] = useState(false)
 
   useEffect(() => {
     window.electron.model.listDownloaded()
@@ -186,6 +187,7 @@ export default function GenerationOptions(): JSX.Element {
   }
 
   return (
+    <>
     <div className={`flex flex-col px-4 pb-4 gap-3 ${isDisabled ? 'opacity-50 pointer-events-none' : ''}`}>
       <div className="h-px bg-zinc-800" />
       <h2 className="text-xs font-semibold uppercase tracking-widest text-zinc-500">Options</h2>
@@ -416,7 +418,13 @@ export default function GenerationOptions(): JSX.Element {
           <button
             role="checkbox"
             aria-checked={generationOptions.enableTexture}
-            onClick={() => setGenerationOptions({ enableTexture: !generationOptions.enableTexture })}
+            onClick={() => {
+              if (!generationOptions.enableTexture) {
+                setShowTextureWarning(true)
+              } else {
+                setGenerationOptions({ enableTexture: false })
+              }
+            }}
             className={`ml-2 w-9 h-5 rounded-full transition-colors relative flex-shrink-0 ${
               generationOptions.enableTexture ? 'bg-accent' : 'bg-zinc-700'
             }`}
@@ -466,5 +474,20 @@ export default function GenerationOptions(): JSX.Element {
       </div>
 
     </div>
+
+    {showTextureWarning && (
+      <ConfirmModal
+        title="Texture generation is experimental"
+        description="This feature is still in development and may produce unexpected results, crash, or significantly slow down generation. Use at your own risk."
+        confirmLabel="Enable anyway"
+        cancelLabel="Cancel"
+        onConfirm={() => {
+          setGenerationOptions({ enableTexture: true })
+          setShowTextureWarning(false)
+        }}
+        onCancel={() => setShowTextureWarning(false)}
+      />
+    )}
+    </>
   )
 }
diff --git a/src/areas/setup/FirstRunSetup.tsx b/src/areas/setup/FirstRunSetup.tsx
index 2493ffc..518e36f 100644
--- a/src/areas/setup/FirstRunSetup.tsx
+++ b/src/areas/setup/FirstRunSetup.tsx
@@ -71,7 +71,7 @@ function InstallingPanel({ progress }: { progress: SetupProgress | null }): JSX.
           const done    = idx < currentIdx
           const active  = idx === currentIdx
           return (
-            <div key={step.key} className="flex-1">
+            <div key={step.key} className="flex-1 min-w-0">
               <div
                 className={`h-1 rounded-full transition-colors ${
                   done   ? 'bg-accent' :
@@ -96,7 +96,7 @@ function InstallingPanel({ progress }: { progress: SetupProgress | null }): JSX.
       </div>
 
       <div className="flex justify-between items-center">
-        <p className="text-xs text-zinc-500 truncate max-w-[220px]">
+        <p className="text-xs text-zinc-500 truncate flex-1 min-w-0">
           {progress?.currentPackage ?? (currentIdx >= 0 ? STEPS[currentIdx]?.label : 'Initialising…')}
         </p>
         <p className="text-xs text-zinc-500 ml-2 shrink-0">{percent}%</p>
@@ -167,9 +167,38 @@ export default function FirstRunSetup(): JSX.Element {
   }
 
   return (
-    <div className="flex flex-col h-full bg-surface-500 items-center justify-center">
-      <AppHeader />
-      {renderPanel()}
+    <div className="flex flex-col h-full bg-surface-500">
+      {/* Title bar */}
+      <div className="flex items-center h-9 px-3 shrink-0 drag-region">
+        <div className="flex-1" />
+        <div className="flex items-center gap-1 no-drag">
+          <button
+            onClick={() => window.electron.window.minimize()}
+            className="w-7 h-7 flex items-center justify-center rounded hover:bg-zinc-700 text-zinc-500 hover:text-zinc-100 transition-colors"
+            aria-label="Minimize"
+          >
+            <svg width="10" height="1" viewBox="0 0 10 1" fill="currentColor">
+              <rect width="10" height="1" />
+            </svg>
+          </button>
+          <button
+            onClick={() => window.electron.window.close()}
+            className="w-7 h-7 flex items-center justify-center rounded hover:bg-red-600 text-zinc-500 hover:text-white transition-colors"
+            aria-label="Close"
+          >
+            <svg width="9" height="9" viewBox="0 0 9 9" fill="none" stroke="currentColor" strokeWidth="1.2">
+              <line x1="0" y1="0" x2="9" y2="9" />
+              <line x1="9" y1="0" x2="0" y2="9" />
+            </svg>
+          </button>
+        </div>
+      </div>
+
+      {/* Content */}
+      <div className="flex flex-col flex-1 items-center justify-center">
+        <AppHeader />
+        {renderPanel()}
+      </div>
     </div>
   )
 }
diff --git a/src/shared/stores/appStore.ts b/src/shared/stores/appStore.ts
index 9b009a8..8bb11bd 100644
--- a/src/shared/stores/appStore.ts
+++ b/src/shared/stores/appStore.ts
@@ -44,7 +44,7 @@ const DEFAULT_OPTIONS: GenerationOptions = {
   modelId: 'sf3d',
   vertexCount: 10000,
   remesh: 'quad',
-  enableTexture: true,
+  enableTexture: false,
   textureResolution: 512,
   octreeResolution: 380,
   guidanceScale: 5.5,