I've been tinkering with XP-era systems a lot lately (for fun, nothing critical, don't worry) and UMSKT is a godsend. You can still activate those products with

I've been tinkering with XP-era systems a lot lately (for fun, nothing critical, don't worry) and UMSKT is a godsend. You can still activate those products with phone activation, but it's a pain in the ass compared to just keygenning with UMSKT.