Once you have the ISO file, follow these steps to prepare it for use:
If you already have Windows XP installed and only need the Service Pack 3 update, you can still find the standalone Security Update for Windows XP Service Pack 3 on Microsoft’s official site. System Requirements for Installation download iso windows xp sp3
If you were a registered Microsoft Partner or had an MSDN subscription in the past, you may still have access to the ISO through: Once you have the ISO file, follow these
: Windows XP is long past its "End of Life." Security Risks : It does not receive security patches. Once you have the ISO file