Files downloaded from unverified or pirated sources, especially those that come in multiple parts, can often contain malware or viruses.
That file appears to be part of a multi-part archive for a simulation game ("Budowa" is Polish for "Construction"). Typically, this implies a game named " Construction Simulator " (likely Construction Simulator 2015 or similar). Budowa.Symulatora.Extended.Edition.part1.rar
Files named .part1.rar , .part2.rar , etc., must all be downloaded into the same folder. You only need to extract the first file ( .part1 ) using software like WinRAR or 7-Zip , and it will automatically combine all parts. Budowa.Symulatora.Extended.Edition.part1.rar