[Windows 9x]
Windows 95 RTM = 34698-OEM-0039682-72135
Windows 95 RetailRUS = 12095-OEM-0004226-12233
Windows 95 OSR2 = 34698-OEM-0039682-72135
Windows 98 FE = MKF6C-H6YG6-99QQ2-GHR48-QTQWG
Windows 98 SE = DYB3T-F2QYQ-9CRXR-DBC4V-CC4YG
Windows ME = B6BYC-6T7C3-4PXRW-2XKWB-GYV33

[Windows NT]
Windows NT 4.0 = 28997-OEM-0025957-49297
Windows NT 2000 SP4 = DDTPV-TXMX7-BBGJ9-WGY8K-B9GHM
Windows NT 2000 Pro = RBDC9-VTRC8-D7972-J97JY-PRVMG
Windows NT 2000 Advanced Server = WY6PG-M2YPT-KGT4H-CPY6T-GRDCY
Windows NT 2000 Server = H6TWQ-TQQM8-HXJYG-D69F7-R84VM
Windows NT 2000 Dutch = MKFTT-B889R-XXYGF-W63WP-8VDYT