%USERPROFILE% in registry

In the Windows Registry, the %USERPROFILE% environment variable is represented by the UserProfile value under the HKEY_CURRENT_USER registry key.

You can access it by following this registry path:

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HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders

In the right pane, you will find the UserProfile value, which contains the user's profile directory path. The value data represents the user's profile directory, which is typically C:\Users\username.

Note that modifying registry values should be done with caution, as incorrect changes can cause system issues. It's always recommended to create a backup or restore point before making any modifications to the registry.