: WinRAR (official) or 7-Zip (free, open-source).

: These are driver files. You must install them via Device Manager : Right-click the Start button and select Device Manager .

Point the search to the folder where you extracted the files.

While there is no official software globally recognized as "," this file name format typically refers to a 64-bit driver or specialized system utility (likely related to Serial Attached SCSI or SAS controllers) that has been compressed into a .rar archive. Quick Guide to Using "1104SASx64.rar" 1. Extract the Archive