If you have a genuine 25-character product key, you can activate your system using the built-in wizard or by phone. :
Activating Windows 7 as of 2026 is still possible through official Microsoft methods if you have a valid license key, although the operating system reached its end-of-support in January 2020. Windows 7 Activation Key | Windows 7 Activator {2022}
Open the menu, right-click Computer , and select Properties . Select Activate Windows now at the bottom of the window. If you have a genuine 25-character product key,
Select your location to receive a phone number. An automated system will provide a confirmation ID to enter into your computer. Windows 7 Activation Key | Windows 7 Activator {2022}