Milosc_kibica_pl.part1.rar -

Because this is a file, you cannot access or open the contents unless you have all the remaining parts (e.g., part2, part3, etc.) in the same folder. Once you have all pieces, you would use a program like WinRAR or 7-Zip to extract them. Based on the title, this likely refers to:

: There are various stories and publications in Poland exploring the lifestyle and loyalty of sports fans. Milosc_kibica_PL.part1.rar

: There are several Polish productions and fan-made videos about football culture and the "ultras" scene. Because this is a file, you cannot access