You can still find the official Windows XP Professional SP3 ISO on safe archival sites (verify SHA-1 checksums). Install it manually, then use your own valid product key (if you have an old COA sticker).
Have a specific question about creating your own Windows XP backup image? Leave a comment below or visit our sister site at r/RetroComputing. --- Windows Xp Ghost Free Download
Do not run XP on bare metal. Use or VirtualBox . You can still find the official Windows XP