Windows操作系统和路径相关的环境变量

Windows XP

%SystemDrive%=C:
%SystemRoot%=C:\WINDOWS
%HOMEDRIVE%=C:
%HOMEPATH%=\Documents and Settings\Administrator
%USERPROFILE%=C:\Documents and Settings\Administrator
%USERPROFILE%\桌面=C:\Documents and Settings\Administrator\桌面
%APPDATA%=C:\Documents and Settings\Administrator\Application Data
%ALLUSERSPROFILE%=C:\Documents and Settings\All Users
%ProgramFiles%=C:\Program Files
%CommonProgramFiles%=C:\Program Files\Common Files
%ComSpec%=C:\WINDOWS\system32\cmd.exe
%TEMP%=C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\2
%TMP%=C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\2
%windir%=C:\WINDOWS

Windows 10

%SystemDrive%=C:
%SystemRoot%=C:\Windows
%HOMEDRIVE%=C:
%HOMEPATH%=\Users\Administrator [不一样]
%USERPROFILE%=C:\Users\Administrator
%USERPROFILE%\Desktop=C:\Users\Administrator\Desktop [不一样]
%APPDATA%=C:\Users\Administrator\AppData\Roaming [不一样]
%LOCALAPPDATA%=C:\Users\Administrator\AppData\Local [新增]
%ALLUSERSPROFILE%=C:\ProgramData [不一样]
%ProgramFiles%=C:\Program Files
%CommonProgramFiles%=C:\Program Files\Common Files
%ComSpec%=C:\Windows\system32\cmd.exe
%ProgramData%=C:\ProgramData [新增]
%TEMP%=C:\Users\ADMINI~1\AppData\Local\Temp
%TMP%=C:\Users\ADMINI~1\AppData\Local\Temp
%windir%=C:\Windows
%PUBLIC%=C:\Users\Public [新增]

说明：CMD中运行"set"命令可查看所有环境变量及值。