If you're looking to download Windows 7 64 Bit Service Pack 2, you may have come across various websites offering the ISO file for download. However, it's essential to exercise caution when downloading from third-party sources, as they may bundle malware or other unwanted software with the ISO file.
While Microsoft never officially released a "Service Pack 2" for Windows 7, they released a Convenience Rollup (KB3125574)
If your hardware supports it, consider upgrading to Windows 10 or 11, or switching to a lightweight Linux distribution to keep your computer secure.