新建个文本文档，把以下复制进去：
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Valve\Half-Life\Settings]
"EngineDLL"="hw.dll"
"User Token 2"=""
"User Token 3"=""
"ScreenWindowed"=dword:00000000
"CrashInitializingVideoMode"=dword:00000000
"ScreenWidth"=dword:00000400
"ScreenHeight"=dword:00000300
"ScreenBPP"=dword:00000020
"EngineD3D"=dword:00000001
"ValveKey"="5RP2E-EPH3K-BR3LG-KMGTE-FN8PY"
然后把.TXT改成.REG双击运行就行了。
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