: Move the downloaded xlive.dll and xlive.ini into the game's Binaries/Win32 folder (usually found in your Steam installation path or where the game was installed).

: Files found on sites claiming to be "Skidrow" are often riddled with malware. Fake Websites

A crack is a type of software that bypasses the copy protection of a game, allowing it to be played without a valid license key. In the case of Mortal Kombat Arcade Kollection, a crack would allow players to play the game without purchasing it from a legitimate retailer.