According to several cheat databases, you can unlock all content by following these steps from the main menu:
Paste the new save file into the directory listed in step 1. Mortal Kombat Xl 100 Save Game Pc
After you have launched the game and confirmed the new save is working, you can turn Steam Cloud back on if you wish. It may ask you which save you want to keep—choose the local one. According to several cheat databases, you can unlock