US and Canadian customers can download the 128-bit version of Windows NT 4.0 Service Pack 3 from: http://mssecure.www.conxion.com/cgi-bin/ntitar.pl NOTE: When you choose to download the 128-bit version of the Service Pack, the file that is saved to your hard disk is Nph-ntfinal.pl. To successfully install the Service Pack, save the file as 128sp3.exe. If you have already downloaded the file as Nph-ntfinal.pl, rename it to 128sp3.exe and then execute it. For addition information about how to obtain the 128-bit version of Windows NT 4.0 Service Pack 3, see the following article in the Microsoft Knowledge Base: ARTICLE-ID: Q152734 TITLE : How To Obtain the Latest Windows NT 4.0 Service Pack