Historically, Microsoft provided downloads at the Software Download Page , but this now typically requires a valid retail product key and often fails for OEM keys (pre-installed by manufacturers). Windows 7 x64 SP1 with integrated drivers for Zen - Ryzen
Several versions of Windows 7 Ultimate SP1, including MSDN originals and updated "Gen2" builds, are hosted on the Internet Archive . Windows 7 Ultimate SP1 June 2020 Free Download
Your system is vulnerable to modern viruses and malware. Windows 7 Ultimate SP1 June 2020 Free Download
While you can't download the full OS here, you can still find standalone Service Pack 1 packages and security rollups. Windows 7 Ultimate SP1 June 2020 Free Download