源代码：（ https://www.luogu.com.cn/problem/U669200 ）

@echo off

:: Google Chrome
reg delete "HKEY_CURRENT_USER\Software\Policies\Google\Chrome" /f
reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome" /f

:: Edge
reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge" /f
reg delete "HKEY_CURRENT_USER\Software\Policies\Microsoft\Edge" /f

:: Brave
reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\BraveSoftware\Brave" /f
reg delete "HKEY_CURRENT_USER\Software\Policies\BraveSoftware\Brave" /f

:: Yandex
reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\YandexBrowser" /f
reg delete "HKEY_CURRENT_USER\Software\Policies\YandexBrowser" /f

:: FireFox
del "C:\Program Files\Mozilla Firefox\distribution\policies.json"