: Before opening, right-click the file to view "Properties." Look for a "Digital Signatures" tab; legitimate software often has a verifiable signature from a known developer.
A .rar file is a "Roshal Archive," a proprietary format used for data compression and bundling multiple files into one smaller package. GvenetFedPL.rar
: Common tools to open safe .rar files include WinRAR , 7-Zip , or PeaZip . : Before opening, right-click the file to view "Properties