常用：

• %USERPROFILE% =C:\Users\用户名
• %SystemRoot% =C:\WINDOWS
• %SystemDrive% =C:
• %APPDATA% =C:\Users\用户名\AppData\Roaming
• %LOCALAPPDATA% =C:\Users\用户名\AppData\Local
• %windir% =C:\WINDOWS
• %Path% =C:\Windows\system32;C:\Windows;
• %ProgramData% =C:\ProgramData
• %ProgramFiles% =C:\Program Files
• %ProgramFiles(x86)% =C:\Program Files (x86)

其他：

• %ALLUSERSPROFILE% =C:\ProgramData
• %CommonProgramFiles% =C:\Program Files\Common Files
• %CommonProgramFiles(x86)% =C:\Program Files (x86)\Common Files
• %CommonProgramW6432% =C:\Program Files\Common Files
• %COMPUTERNAME% =MyPC
• %ComSpec% =C:\WINDOWS\system32\cmd.exe
• %HOMEDRIVE% =C:
• %HOMEPATH% =\Users\用户名
• %LOGONSERVER% =\MicrosoftAccount
• %OS% =Windows_NT
• %ProgramW6432% =C:\Program Files
• %PUBLIC% =C:\Users\Public
• %TEMP% =C:\Users\用户名\AppData\Local\Temp
• %TMP% =C:\Users\用户名\AppData\Local\Temp
• %USERDOMAIN% =MyPC
• %USERNAME% =用户名