Because there is no official PC version, you should be extremely cautious of websites offering a direct ".exe" download for the game, as these are often scams or contain malware.
Enter the Octagon early with EA Access and EA SPORTS UFC®4! EA-Sports-UFC-4-Download-For-PC
Note that while Xbox Game Pass Ultimate includes EA Play, the console version of UFC 4 is not included in the PC-specific library. Looking Ahead Because there is no official PC version, you