diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 46e121c..21b9c57 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -29,7 +29,14 @@
       "Bash(.venv-windows/Scripts/python.exe -c \"\nimport os, site\nsp = site.getsitepackages\\(\\)[0]\ncublas = os.path.join\\(sp, 'nvidia', 'cublas', 'bin'\\)\ncudnn = os.path.join\\(sp, 'nvidia', 'cudnn', 'bin'\\)\nprint\\('cublas:', os.path.exists\\(cublas\\), cublas\\)\nprint\\('cudnn:', os.path.exists\\(cudnn\\), cudnn\\)\n\")",
       "Bash(.venv-windows/Scripts/python.exe -c \"\nimport os\nsp = '.venv-windows/Lib/site-packages'\ncublas = os.path.join\\(sp, 'nvidia', 'cublas', 'bin'\\)\ncudnn = os.path.join\\(sp, 'nvidia', 'cudnn', 'bin'\\)\nprint\\('cublas:', os.path.exists\\(cublas\\), os.path.abspath\\(cublas\\)\\)\nprint\\('cudnn:', os.path.exists\\(cudnn\\), os.path.abspath\\(cudnn\\)\\)\n\")",
       "Bash(.venv-windows/Scripts/python.exe -c \"import site; print\\(site.getsitepackages\\(\\)\\)\")",
-      "Bash(git push:*)"
+      "Bash(git push:*)",
+      "Bash(find /run/media/chk/Ventoy/projects/chrka/whisper-dictation -type f \\\\\\(-name .github -o -name *.yml -o -name *.yaml \\\\\\))",
+      "Bash(chmod +x /run/media/chk/Ventoy/projects/chrka/whisper-dictation/build-linux.sh)",
+      "Bash(bash install.sh)",
+      "Bash(bash build-linux.sh)",
+      "Bash(.venv-linux/bin/python -c \"import tkinter; print\\(''tkinter OK''\\)\")",
+      "Bash(pacman -Q tk)",
+      "Bash(sudo pacman:*)"
     ]
   }
 }
diff --git a/build-linux.sh b/build-linux.sh
new file mode 100644
index 0000000..5162a25
--- /dev/null
+++ b/build-linux.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+set -e
+cd "$(dirname "$0")"
+.venv-linux/bin/python build.py
diff --git a/build.py b/build.py
index 0051dac..1a6955c 100644
--- a/build.py
+++ b/build.py
@@ -3,29 +3,40 @@ import os
 import shutil
 import sys
 import subprocess
-from PIL import Image
+from PIL import Image, ImageDraw
+
+_IS_WINDOWS = sys.platform == "win32"
+_PLATFORM_TAG = "windows" if _IS_WINDOWS else "linux"
+
+
+def _make_icon_image(size: int) -> Image.Image:
+    """Create a green-dot icon at the given size."""
+    img = Image.new("RGBA", (size, size), (0, 0, 0, 0))
+    d = ImageDraw.Draw(img)
+    margin = max(1, size // 16)
+    d.ellipse([margin, margin, size - margin, size - margin], fill=(40, 200, 80))
+    return img
+
 
 def generate_icon():
-    """Generate icon.ico from tray icon colors (green dot on transparent)."""
+    """Generate platform-appropriate icon files."""
     sizes = [16, 32, 48, 256]
-    frames = []
-    for size in sizes:
-        img = Image.new("RGBA", (size, size), (0, 0, 0, 0))
-        from PIL import ImageDraw
-        d = ImageDraw.Draw(img)
-        margin = max(1, size // 16)
-        d.ellipse([margin, margin, size - margin, size - margin], fill=(40, 200, 80))
-        frames.append(img)
-    frames[0].save("icon.ico", format="ICO", sizes=[(s, s) for s in sizes],
-                   append_images=frames[1:])
-    print("icon.ico generated.")
+    frames = [_make_icon_image(s) for s in sizes]
+    if _IS_WINDOWS:
+        frames[0].save("icon.ico", format="ICO", sizes=[(s, s) for s in sizes],
+                       append_images=frames[1:])
+        print("icon.ico generated.")
+    else:
+        frames[-1].save("icon.png", format="PNG")
+        print("icon.png generated.")
+
 
 def build():
     generate_icon()
     subprocess.run([sys.executable, "-m", "PyInstaller", "whisper-dictation.spec",
                     "--noconfirm"], check=True)
 
-    dist_dir = os.path.join("dist", "whisper-dictation")
+    dist_dir = os.path.join("dist", "whisper-dictation-" + _PLATFORM_TAG)
     for fname in ["config.json", "vocabulary.json"]:
         dest = os.path.join(dist_dir, fname)
         if not os.path.exists(dest):
@@ -34,7 +45,15 @@ def build():
         else:
             print(f"Skipped {fname} (already exists in dist — preserving user edits)")
 
+    # Copy icon.png into dist for Linux .desktop files
+    if not _IS_WINDOWS:
+        icon_dest = os.path.join(dist_dir, "icon.png")
+        if not os.path.exists(icon_dest):
+            shutil.copy("icon.png", icon_dest)
+            print(f"Copied icon.png -> {dist_dir}/")
+
     print(f"\nBuild complete: {dist_dir}/")
 
+
 if __name__ == "__main__":
     build()
diff --git a/icon.png b/icon.png
new file mode 100644
index 0000000..506168b
Binary files /dev/null and b/icon.png differ
diff --git a/install.sh b/install.sh
index a6ef1a7..abd7cc8 100644
--- a/install.sh
+++ b/install.sh
@@ -1,13 +1,15 @@
-#!/bin/bash
-set -e
-cd "$(dirname "$0")"
-
-echo "Creating Linux venv (.venv-linux)..."
-python3 -m venv --system-site-packages .venv-linux
-
-echo "Installing dependencies..."
-.venv-linux/bin/pip install --upgrade pip
-.venv-linux/bin/pip install -r requirements.txt
-# No CUDA deps on Linux — runs on CPU
-
-echo "Done. Run ./start.sh to launch."
+#!/bin/bash
+set -e
+cd "$(dirname "$0")"
+
+echo "Creating Linux venv (.venv-linux)..."
+python3 -m venv --system-site-packages .venv-linux
+
+echo "Installing dependencies..."
+.venv-linux/bin/pip install --upgrade pip
+.venv-linux/bin/pip install -r requirements.txt
+.venv-linux/bin/pip install pyinstaller
+# CUDA: uses system-installed CUDA libs (no pip CUDA packages needed)
+
+echo ""
+echo "Done. Run ./start.sh to launch, or ./build-linux.sh to create a standalone build."
diff --git a/start.sh b/start.sh
index 1acc278..88393e3 100644
--- a/start.sh
+++ b/start.sh
@@ -1,3 +1,3 @@
-#!/bin/bash
-cd "$(dirname "$0")"
-.venv-linux/bin/python -u main.py
+#!/bin/bash
+cd "$(dirname "$0")"
+.venv-linux/bin/python -u main.py
diff --git a/whisper-dictation.spec b/whisper-dictation.spec
index 186455b..a5938c5 100644
--- a/whisper-dictation.spec
+++ b/whisper-dictation.spec
@@ -11,27 +11,38 @@ def _pkg_path(pkg):
     sp = site.getsitepackages()[0]
     return os.path.join(sp, *pkg.split('.'))
 
-_sp = next(p for p in site.getsitepackages() if p.endswith('site-packages'))
-_nvidia = os.path.join(_sp, 'nvidia')
+_is_windows = sys.platform == 'win32'
+_platform_tag = 'windows' if _is_windows else 'linux'
+
+# ── Platform-specific binaries ────────────────────────────────────────────────
+_binaries = []
+if _is_windows:
+    _sp = next(p for p in site.getsitepackages() if p.endswith('site-packages'))
+    _nvidia = os.path.join(_sp, 'nvidia')
+    _binaries = [
+        (os.path.join(_nvidia, 'cublas', 'bin', '*.dll'), '.'),
+        (os.path.join(_nvidia, 'cudnn', 'bin', '*.dll'), '.'),
+    ]
+
+# ── Platform-specific hidden imports ──────────────────────────────────────────
+_hiddenimports = [
+    'ctranslate2',
+    'faster_whisper',
+    'sounddevice',
+]
+if _is_windows:
+    _hiddenimports.append('pynput.keyboard._win32')
+else:
+    _hiddenimports += ['pynput.keyboard._xorg', 'pynput.keyboard._uinput']
 
 a = Analysis(
     ['main.py'],
     pathex=[],
-    binaries=[
-        (os.path.join(_nvidia, 'cublas', 'bin', '*.dll'), '.'),
-        (os.path.join(_nvidia, 'cudnn', 'bin', '*.dll'), '.'),
-    ],
+    binaries=_binaries,
     datas=[
         (os.path.join(_pkg_path('faster_whisper'), 'assets', '*.onnx'), 'faster_whisper/assets'),
     ],
-    hiddenimports=[
-        'ctranslate2',
-        'faster_whisper',
-        'sounddevice',
-        'pynput.keyboard._win32',
-        'pynput.keyboard._xorg',
-        'pynput.keyboard._uinput',
-    ],
+    hiddenimports=_hiddenimports,
     hookspath=[],
     hooksconfig={},
     runtime_hooks=[],
@@ -49,8 +60,8 @@ exe = EXE(
     bootloader_ignore_signals=False,
     strip=False,
     upx=True,
-    console=False,
-    icon='icon.ico',
+    console=not _is_windows,
+    icon='icon.ico' if _is_windows else None,
 )
 coll = COLLECT(
     exe,
@@ -59,5 +70,5 @@ coll = COLLECT(
     strip=False,
     upx=True,
     upx_exclude=[],
-    name='whisper-dictation',
+    name='whisper-dictation-' + _platform_tag,
 )