Using unofficial online fixes violates Steam's Subscriber Agreement and NetherRealm's EULA. Furthermore, many "MKX Online Fix.exe" files hosted on file-sharing websites contain crypto miners or ransomware. Proceed with extreme caution.
: Turning off anti-aliasing in your GPU control panel (Nvidia/AMD) rather than just in-game can significantly reduce input lag during online matches. Mortal Kombat X Online Fix