: Download and install a file extractor like 7-Zip (free) or WinRAR.
7z.002" . This is a specific type of file fragment, and What is this file? cch.7z.002
: You must have all the numbered pieces of the set (at least cch.7z.001 and cch.7z.002 ) in the same folder . : Download and install a file extractor like