If you see any of the following pop-ups, installing xlive.dll and xlive.ini will fix your issue:
Copy both xlive.dll and xlive.ini and paste them directly into that main game directory. Do not put them in a subfolder unless specifically instructed by a mod page. Troubleshooting & Advanced Configuration Xlive.ini Download
Follow these steps to get your game running without GFWL: If you see any of the following pop-ups, installing xlive