This game was always a PC only game, i mean, you had and you still have console versions but this game is not a console port, it is a PC game and as such it should be optimized for PC hardware, but ev...
Sometimes the default is set to 'high quality' in the game. If you sacrifice some quality or graphics it will run faster. It's found in the gameplay menu. I also found if I had a lot of gallery lots in my game it ran slower, so I ended up deleting my gallery lots out of the tray