| %windir% | Windows installation directory | C:\Windows |
| %SystemRoot% | Alias for %windir% | C:\Windows |
| %ProgramFiles% | Default directory for 64-bit programs | C:\Program Files |
| %ProgramFiles(x86)% | Default directory for 32-bit programs on 64-bit systems | C:\Program Files (x86) |
| %CommonProgramFiles% | Default directory for 64-bit common files | C:\Program Files\Common Files |
| %CommonProgramFiles(x86)% | Default directory for 32-bit common files on 64-bit systems | C:\Program Files (x86)\Common Files |
| %SystemDrive% | Drive letter of the system partition | C: |
| %USERPROFILE% | Path to the current user’s profile directory | C:\Users\username |
| %APPDATA% | User’s roaming application data directory | C:\Users\username\AppData\Roaming |
| %LOCALAPPDATA% | User’s local application data directory | C:\Users\username\AppData\Local |
| %TEMP% or %TMP% | User’s temporary files directory | C:\Users\username\AppData\Local\Temp |
| %HOMEDRIVE% | Drive letter of the user’s home directory | C: |
| %HOMEPATH% | Path to the user’s home directory | \Users\username |
| %PATH% | Semicolon-separated list of executable search paths | C:\Windows;C:\Windows\System32 |
| %PATHEXT% | Semicolon-separated list of executable file extensions | .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC |
| %PUBLIC% | Path to the public user directory | C:\Users\Public |
| %USERNAME% | The name of the current user | username |
| %COMPUTERNAME% | The name of the computer | DESKTOP-XXXXXX |