Package 1: SD4WNT9x.ZIP size 78.831.688 Package 2: SD4W31.ZIP size 28.760.688 Date: 15 January 2001. Use WinZip to unpack the SD4WNT9x.ZIP file if you want to apply the XR21925 CSD for Windows NT, Windows 2000, Windows 95, Windows 98.. Use WinZip to unpack the SD4W31.ZIP file if you want to apply the XR21925 CSD for Windows 3.1. Please run the Test Action to check the ZIP integrity and then unpack the ZIP file. (so that files are corretly restored in their directories, and not in a single directory, causing warning messages of duplicate files). Refer to XR21925 CSD INSTALLATION SCENARIOS FOR WINDOWS NT, WINDOWS 2000, WINDOWS 95, AND WINDOWS 98 or Windows 3.1 sections of the READ.ME file for instructions.