Verify the Uploader: On Archive.org, look for files uploaded by reputable accounts with high view counts and positive comments.
Windows XP Service Pack 4 (SP4) is an unofficial, cumulative update package created by the community to keep the legendary operating system functional long after its official end-of-life. While Microsoft stopped supporting Windows XP in 2014, many enthusiasts and retro-computing fans still seek the Windows XP SP4 ISO on Archive.org to revive old hardware or run legacy software in virtual machines. The Genesis of Windows XP SP4
Use a Virtual Machine: Run the ISO in VirtualBox or VMware first. This prevents security risks to your main host machine.