🎨 One-Click Switch for Windows 10 Dark/Light Mode#
Say goodbye to complicated settings menus and easily switch system themes with a simple batch file.
Features#
- One-Click Switch: Double-click to intelligently switch between dark/light mode.
- Automatic Detection: Automatically detects the current theme status.
- Immediate Effect: Changes are applied instantly without needing to restart the system.
- Safe and Harmless: Only modifies registry theme settings without affecting system stability.
Complete Code#
Save the following code as ThemeSwitcher.bat:
@echo off
setlocal enabledelayedexpansion
echo Checking current theme mode...
:: Read current app theme setting (0=Dark, 1=Light)
for /f "skip=2 tokens=3" %%A in ('reg query "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize" /v "AppsUseLightTheme" 2^>nul') do (
set CurrentTheme=%%A
)
:: If failed to read, default to light mode (1)
if not defined CurrentTheme (
echo Theme setting not found, defaulting to light mode.
set CurrentTheme=1
)
:: Determine and switch theme
if "!CurrentTheme!"=="0x0" (
echo Switching from Dark to Light mode...
set NewAppTheme=1
set NewSysTheme=1
set Message=Switched to Light Mode ✅
) else (
echo Switching from Light to Dark mode...
set NewAppTheme=0
set NewSysTheme=0
set Message=Switched to Dark Mode 🌙
)
:: Write new registry values
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize" /v "AppsUseLightTheme" /t REG_DWORD /d !NewAppTheme! /f >nul
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize" /v "SystemUsesLightTheme" /t REG_DWORD /d !NewSysTheme! /f >nul
:: Prompt user
echo.
echo !Message!
echo.
echo Note: Changes may take a few seconds to apply, some apps may need restart.
timeout /t 2 /nobreak >nul
How It Works#
The script switches themes by modifying the following registry keys:
AppsUseLightTheme: Controls the application theme.SystemUsesLightTheme: Controls the system interface theme.
| Value | Theme Mode |
|---|---|
| 0 | Dark Mode |
| 1 | Light Mode |
Frequently Asked Questions#
Q: The theme did not change immediately after running the script?
A: This is normal; the system needs a few seconds to refresh the theme settings. You can try pressing Win + D to show the desktop and then return.
Q: Some applications did not switch themes?
A: Some applications may require a restart to apply the new theme settings.
Q: The script does not run?
A: Please ensure you run it as an administrator or adjust your system UAC settings.