If you have a genuine 25-character product key, you can activate your system using the built-in wizard or by phone. :
While tools like or Windows Loader by Daz are often cited in online guides for bypassing activation, these are unauthorized by Microsoft and carry significant risks: online & Microsoft Support Product Activation Portal Windows 7 Activation Key | Windows 7 Activator {2022}
Enter your product key when prompted and follow the on-screen instructions. : If you have a genuine 25-character product key,