1.) Ensure UAC is disabled (PROVIDE PICS AND STUFF)
2.) Start 1st Client like usual. Determine window mode (Widescreen or Normal). Ensure Resolution is less than max res < 1900x1080
3.) Go to Lobby or enter game.
4.) Start 2nd Client enter settings first, make sure it is in the opposite Mode. (Widescreen or Normal)
5.) Make sure the resolution of client 2 is less than the resolution of client 1. (example: 1024x768)
6.) Start client 2 and change Username/Password fields prior to login.
7.) If all goes well you will now be logged in with 2 clients, one Widescreen and one Normal, and can now Trade by Yourself!