The irony is painful. You have Origin installed (or the new EA app). You have the game files. You may have even been playing yesterday. Yet, the launcher insists that the very platform required to run the game is missing.
Before proceeding, it is always good practice to back up your registry or create a System Restore point. However, if you follow these instructions precisely, the risk is minimal. fifa 18 origin is not installed error
To fix the problem, we first need to understand the relationship between FIFA 18 and Origin (now known as the EA app). Unlike standalone applications, EA games rely heavily on the Windows Registry to function. When you click "Play" in your library, the game executable looks for a specific registry key that tells it where the Origin client is located. The irony is painful