: If you do download an ISO, use the certutil command in the Command Prompt to check its SHA256 hash and ensure it hasn't been tampered with.
: It is much safer to download an official, untouched ISO directly from Microsoft or a trusted archive. : If you do download an ISO, use
: Windows 8.1 reached its end of support on January 10, 2023. Using an outdated OS from an untrusted source leaves your computer extremely vulnerable. Safer Alternatives : If you do download an ISO, use
: Hackers sometimes hide malicious components in areas like the EFI (Extensible Firmware Interface) partition, which many standard antivirus tools do not scan. : If you do download an ISO, use
: "Preactivated" versions are often cracked or modded, which can lead to frequent crashes or blue screens during or after installation.