Websites offering the tool claim version 2.6.4 can activate everything from Windows 7 through Windows 11, alongside various versions of MS Office.
What are you trying to activate? (e.g., Windows 11, Office 2021) Is this for personal, school, or business use? microsoft toolkit 264 patched
microsoft-toolkit-2.6.4 directory listing - Internet Archive Websites offering the tool claim version 2
The "Patched" version became a legend in online forums (like MyDigitalLife and various Reddit communities) for a few reasons: The Windows 10/Office 2016 Support Office 2021) Is this for personal