Then save and set the files to read only (right click, properties).
There are several (ignore the last few that are set to numbers that don't look like a resolution, like -23 or 65500). Find the Swat4.ini file in SWAT 4\Content\System and Swat4x.ini file in SWAT 4\ContentExpansion\System and change all the viewportx entries to 1920 and viewporty entries to 1080. Do this after you have set the rest of the graphics settings to what you want.
