Applying Windowed Borderless Gaming to the sims 3

@Archivist wow! Thanks I will follow your steps! :D
@puzzlezaddict Ah...I read your posting on AHQ page first, so I got your idea just now. That's the best idea! thank you. I will try this first, the if it still doesn't work, then I can get the bigger display resolution on my computer. :) By the way, my graphics card is the exact same as yours. Radeon Pro 560. i7 7700 3.6Ghz, 16GB rams