: Use a tool like WinRAR or 7-Zip on the first file ( part1 ).
: Be cautious with .rar files from unknown sources, as they can contain executable malware. SophiaFS6.part2.rar
: You cannot open this file alone; you need .part1.rar , .part3.rar , etc. : Use a tool like WinRAR or 7-Zip