If you are doing this for a "retro" project or legacy hardware, follow these best practices:
Keep the machine disconnected from the internet to prevent exploits. Windows 7 SP1 JAN 2023 Free Download
If your hardware can handle it, you’re much better off installing a lightweight Linux distribution (like Linux Mint XFCE) or sticking with Windows 10/11 for safety. If you are doing this for a "retro"
Downloading Windows from unofficial sources is dangerous. These files are often bundled with malware, keyloggers, or backdoors. Windows 7 SP1 JAN 2023 Free Download