: Even if the software is considered "Abandonware" by some, you technically still need a valid Product Key to activate it.
If you are installing this on a vintage PC or a Virtual Machine (VM), follow these steps: download-windows-xp-pro-64-bit-sp2-gratis
While most people remember the standard 32-bit XP, enthusiasts and power users still look for the 64-bit version to push old hardware to its absolute limits. Why 64-Bit Mattered (And Still Does) : Even if the software is considered "Abandonware"
: 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? download-windows-xp-pro-64-bit-sp2-gratis