Before installing, ensure your system meets the minimum specifications:
The Heidoc tool, referenced in Microsoft's official Q&A forums, can still download an August 2018 version of Windows 7 SP1 ISO. This tool works by accessing remaining Microsoft server resources and is frequently recommended by Microsoft community moderators for users who need a clean installation ISO and already own a valid license key.
Running Windows 7 in the modern era requires extreme caution. Microsoft ended Extended Security Updates (ESU) in January 2023.