Assuming you have the full Windows 2000 cd and that you are using either Windows 2000 with no service Pack or Windows 2000 Service Pack 4 (SP4). Place the cd in the drive and close the box that opens.
Go Start then Run type in
and hit enter.
If you are using any of the other service Packs (SP1, SP2 or SP3) then update to Windows 2000 Service Pack 4 (SP4).