Since these ISOs are modified by anonymous individuals, there is no way to verify if malicious tools—like keyloggers or backdoors—have been baked into the system image.
Windows 7 officially reached "End of Life" on January 14, 2020. This means Microsoft no longer provides security patches, leaving the OS open to modern threats like ransomware and zero-day exploits. windows 7 deep blue 64bit download from fileserve verified
I should mention that Microsoft no longer supports Windows 7, which is another issue. They need to know that even if they manage to get an ISO, using an unsupported OS can lead to security vulnerabilities. Plus, they might get a key that's either counterfeit or already in use. Maybe suggest legal alternatives like purchasing through Microsoft or authorized resellers, or even upgradating to a newer OS. Since these ISOs are modified by anonymous individuals,