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
