All editions (Starter, Home, Professional, Ultimate). Windows 8 and 8.1: Standard, Pro, and Enterprise versions.
: If you have a genuine Windows 7 key, you may still be able to use it to activate or upgrade. You can also use the slmgr -rearm command in an elevated Command Prompt to temporarily reset the activation grace period for 30 days. Navigating Software Compliance with Activator Challenges All editions (Starter, Home, Professional, Ultimate)
Stay safe, and always download software directly from Microsoft or official sources. All editions (Starter