2583 Software & Driver Updates The files will automatically download to your hard drive. You can unzip the file using any UNZIP application or this simplified version of pkuzip.exe Once you unzip the file(s) then run "setup.exe" to install Software Description Series 2583 VXIbus Frequency Response Analyzer 32-bit Windows (NT/XP/Vista/Windows 7) Driver Rev: 3.1. (921xxx REV: A) Download 2583 WIN32 FW, All-In-One (1,286k) Download 2583 WIN32 FW, Disk 1 (1,286k) Download 2583 WIN32 FW, Disk 2 (412k)