If you have the original installation files but need to add SP3, you can use a process called "slipstreaming". Create a Windows XP Service Pack 3 recovery disc
Windows XP Service Pack 3 (SP3) remains a vital OS for legacy hardware and specialized software. When things go wrong, having a recovery disk is essential for repairing boot issues, fixing corrupted system files, or performing a clean reinstall. Official Download and Modern Availability windows xp service pack 3 recovery disk download
: While the OS is end-of-life, some critical security updates for SP3 (KB4012583) are still hosted by Microsoft. If you have the original installation files but