omg did you even read the readme instructions, if you press f4 you start hosting a public match while in the lobby and pressing f5 will start it, the reason nobody will join it is because your internet probably isnt the best and the IW server searcher just skips you, try running MW2 with a better internet connection and while in game fix your lag by looking straight up into the sky, it will make your ping go as low as 12 even, it worked for me. and idk why the donor unlock program wont work, its not working for me either