To understand this subject, one must look at how activation has evolved and why the "free" KMS route is a unique, if technically precarious, solution.
A: Absolutely not. The activation protocols are completely different. XP uses legacy RPC calls that a modern KMS host will reject. kms activator windows xp professional free
If your system came with a pre-installed Windows XP sticker, that key should still work via phone activation if internet activation fails. To understand this subject, one must look at