Always use the method via Steam to get the official, safe version of the file.
Sometimes antivirus software mistakenly quarantines this file. Open Steam and go to your Right-click on Mortal Kombat X and select Properties Installed Files steam-api64r.dll missing mortal kombat x
If none of the above solutions work, you can try reinstalling Mortal Kombat X. Always use the method via Steam to get
Disclaimer: Always be cautious with DLL files. Only restore them from official sources like Steam or your antivirus quarantine. Never download DLLs from random websites. steam-api64r.dll missing mortal kombat x