Windows XP Professional Service Pack 3. Where to Find ISOs in 2021 and Beyond
If you specifically need 64-bit support (for more RAM), you must use Service Pack 2.
Installing Windows XP in the 2020s is generally reserved for niche purposes:
If you specifically need 64-bit support (for more RAM), you must use Service Pack 2. Windows XP Professional Service Pack 3
Installing Windows XP in the 2020s is generally reserved for niche purposes: Windows XP Professional Service Pack 3