System licenses acquired via the OEM channel follow rights granted in the OEM license.
PCs licensed for Windows XP Professional OEM are licensed to use identified previous
versions of Windows Operating System Product(s) in lieu of Windows XP Professional
(Microsoft® Windows® 2000 Professional, Microsoft® Windows NT® 4.0 or
Microsoft® Windows® 98 (Second Edition).
Ref:
http://www.microsoft.com/licensing/resources/volbrief.mspx
Read your Windows XP End-User License Agreement:
Start > Run and type: WINVER , and hit enter.
--
Carey Frisch
Microsoft MVP
Windows XP - Shell/User
Be Smart! Protect your PC!
http://www.microsoft.com/security/protect/
----------------------------------------------------------------------------------
| Hi,
| We buy PC's preloaded with Windows XP Pro for
| resale to our customers. Can we downgrade the PC to
| Windows 2000 without buying additional Windows 2000
| licences?
| If so, where can I find a Microsoft agreement?
|
| Best Regards
| Andrew
|