If you are installing this on a vintage PC or a Virtual Machine (VM), follow these steps:
: Service Pack 2 introduced critical security updates and better protection against memory-based attacks. Finding a "Gratis" Download: What You Need to Know
: Even if the software is considered "Abandonware" by some, you technically still need a valid Product Key to activate it.
: Since Microsoft Update no longer supports XP, you may need to look into community-made "Legacy Update" tools to get the system fully patched. Is It Worth It?
: Burn the ISO to a CD-R or use a tool like Rufus to create a bootable USB (though XP is notoriously difficult to boot from USB without specialized tweaks).