Hello, there I downloaded a Call of duty: Black ops II wud online and after that I don't know what to do, I downloaded two parts and when I extracted all of them it turned into (3) files.
fk-bo2ec.sfv
fk-bo2ec.key
fk-bo2ec.wud
fk-bo2ec.sfv
fk-bo2ec.key
fk-bo2ec.wud