In traditional Unix and Linux systems, getuid is a standard system call used to retrieve the real user ID of the calling process. Windows does not natively use User IDs (UIDs) in the same way; instead, it uses Security Identifiers (SIDs).
The most direct way to provide the necessary permissions is to manually elevate the application: Locate the GetUid-x64.exe file in your installation or Right-click on the file. Run as administrator from the context menu. User Account Control (UAC) getuidx64 require administrator privileges better
On a strictly technical level, simply identifying the current user does not require administrative rights. Any standard user process can look up its own Security Identifier. In traditional Unix and Linux systems, getuid is