net start TermService
The original patch concept dates back to Windows 7/8, but it has been updated for Windows 10 (and sometimes Windows 11). The core changes involve patching a few bytes inside termsrv.dll to:
Some “universal” versions also work across Windows 10 build updates by using pattern scanning rather than fixed offsets. universal termsrv.dll patch windows 10
The patch works by modifying specific byte sequences within the DLL. The "Universal" aspect of modern patches is that they can often find the correct offset regardless of the specific Windows version (e.g., 1909, 21H2, 22H2). net start TermService
There are generally two methods used: