Windows Environment Variables and Paths

List of Windows Environment Variables

Variable	Example
%HOMEDRIVE%	C:
%HOMEPATH%	\Users\Alice
%LOCALAPPDATA%	C:\Users\Alice\AppData\Local
%PROGRAMDATA%	C:\ProgramData
%PROGRAMFILES%	C:\Program Files
%PROGRAMFILES(X86)%	C:\Program Files (x86)
%PUBLIC%	C:\Users\Public
%RANDOM%	Provides a random integer number
%SYSTEMDRIVE%	C:
%SYSTEMROOT%	C:\Windows
%USERNAME%	Alice
%USERPROFILE%	C:\Users\Alice
%WINDIR%	C:\Windows
%COMSPEC%	C:\WINDOWS\system32\cmd.exe

Start Menu

%USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu

Sources and More Details

https://ss64.com/nt/syntax-variables.html

https://ss64.com/nt/syntax-folders.html