OK, good graphics card, and plenty of horsepower in the computer itself. Your use of a TV screen for your display presents some issues though. You say "(used for some Yeas now)", so I am assuming you are using the HDMI and that the TV only does 1080p, which would be 1920 x 1080 (also a limit of the HDMI spec). The thing to do then, is make certain that you have the computer and video card set to 1920x1080 with the 30Hz refresh rate. The scaling resolution is on the first page of the Display Settings, while the refresh is on the "Advanced" page. I have my doubts as to whether Windows would properly identify the TV over the HDMI connection, but maybe it does. If it does, then in the Display Settings you could use the setting that has the "(Recommended...)" resolution and refresh. Once you have that set, navigate into your Documents folder on the computer (C:\Users \UserName \Documents) and find the "SH4" folder there (if any) and delete that. Set your SH4.exe properties as described above, and then try to start the game. Hopefully, you will get a 1024x768 screen showing. If you do, go into Options and the graphic settings choice, and set the game to use 1920x1080 30Hz (or whatever your TV is) and OK that. See if you get into the 3D world like that. If you do, you might find that the TV "border" cuts off a portion of your screen all of the way around the four edges. You might be able to used a "Windowed" mode of a lower resolution, but don't count on it...
