cm6870

Hey community, i have a question about my old pc. I have a ASUS CM6870 desktop pc with P8H77 M PRO Motherboard and I7 3770 I want to upgrade system with a new gpu to use 1-2 years more with decent gaming performance, i have decided to buy GTX 1650 SUPER+8GB ram for that. First question will it...

I don't want to bother telling you guys my specs but I went on system requirements lab and it said I fit recommended settings. It is kind of laggy and I want it to be smooth. What can I do to fix this. Is it because it's new? An answer is much appreciated.