This is the solution that works for 80% of users. Since FIFA 18 looks for a specific registry key that the EA app does not create, we will manually create it.
Few things are more frustrating in PC gaming than settling in for a match of FIFA 18 , clicking “Play,” and being greeted by a ghost from the past: fifa 18 origin is not installed error
Restart your computer to ensure all background processes acknowledge the change. Once booted up, try launching FIFA 18 again. The game should now be able to "see" the launcher and start without the error. This is the solution that works for 80% of users
: In the EA App, click the three dashes (menu) in the top-left corner, select App Recovery Clear Cache . This often fixes broken detection links. Core Technical Fixes Re-register the Link Handler Once booted up, try launching FIFA 18 again
: Use the EA App Recovery tool to clear temporary files that might be blocking the game launch.