Unpack the archive with software like 7zip or PeaZip (password is pcgw), then use the trainer to modify the game FOV in real time.

Make sure to run the game first to let the program detect it.

Any tool based on CE components may trigger some anti-virus software.

Tested the EGS version kindly provided by cheswick of /r/ultrawidemasterrace.

You can buy me a coffee here.