diff --git a/build.bat b/build.bat
index 522fc22f..ba23d157 100644
--- a/build.bat
+++ b/build.bat
@@ -1,7 +1,13 @@
-cd elevenclock
+xcopy elevenclock elevenclock_bin  /E /H /C /I 
+cd elevenclock_bin
+python -m compileall -b .
+del /S *.py
+rmdir /Q /S __pycache__
+rmdir /Q /S external\__pycache__
+rmdir /Q /S lang\__pycache__
 rmdir /Q /S build
 rmdir /Q /S dist
-python -m PyInstaller __init__.py --icon "resources/icon.ico" --add-binary "*.py;." --add-data "resources;resources" --add-data "lang;lang" --onefile --windowed --clean --version-file ../elevenclock-version-info
+python -m PyInstaller ../elevenclock/__init__.py --icon "resources/icon.ico" --add-binary "*.pyc;." --add-data "resources;resources" --add-data "lang;lang" --onefile --windowed --clean --version-file ../elevenclock-version-info
 rem --add-data "%homedrive%%homepath%\AppData\Local\Programs\Python\Python39\Lib\site-packages\PySide6\plugins;PySide6/plugins"
 cd dist
 move __init__.exe ../../
@@ -10,6 +16,7 @@ rmdir /Q /S build
 rmdir /Q /S dist
 del __init__.spec
 cd ..
+rmdir /Q /S elevenclock_bin
 taskkill /im ElevenClock.exe /f
 del ElevenClock.exe
 rename __init__.exe ElevenClock.exe
diff --git a/build_legacy.bat b/build_legacy.bat
new file mode 100644
index 00000000..522fc22f
--- /dev/null
+++ b/build_legacy.bat
@@ -0,0 +1,17 @@
+cd elevenclock
+rmdir /Q /S build
+rmdir /Q /S dist
+python -m PyInstaller __init__.py --icon "resources/icon.ico" --add-binary "*.py;." --add-data "resources;resources" --add-data "lang;lang" --onefile --windowed --clean --version-file ../elevenclock-version-info
+rem --add-data "%homedrive%%homepath%\AppData\Local\Programs\Python\Python39\Lib\site-packages\PySide6\plugins;PySide6/plugins"
+cd dist
+move __init__.exe ../../
+cd ..
+rmdir /Q /S build
+rmdir /Q /S dist
+del __init__.spec
+cd ..
+taskkill /im ElevenClock.exe /f
+del ElevenClock.exe
+rename __init__.exe ElevenClock.exe
+ElevenClock.exe
+pause