For Steam users, a similar method works: uninstall Origin, then launch FIFA 21 directly from Steam. Steam will automatically detect that Origin is missing and reinstall a fresh, compatible version for you.
Drafting a review for a " crack" is a bit tricky because while the game itself was well-received for its gameplay improvements, the cracked versions are often plagued by technical hurdles—most notably the error. fifa 21 origin is not installed crack
The most common fix is to ensure the Origin client is properly installed and recognized by Windows. For Steam users, a similar method works: uninstall