Because Microsoft no longer hosts the ISO for general consumers, users often turn to third-party archives. Using these is considered a "gray area" because they are not official distribution channels.
Have you successfully installed Windows 7 x64 on modern NVMe hardware? Share your "slipstream" method in the comments. windows 7 64-bit iso
Windows 7 x64 was the "Goldilocks" architecture. Because Microsoft no longer hosts the ISO for
Once you have a verified ISO, you can create a bootable USB drive (at least 8GB recommended): windows 7 64-bit iso