Try following those steps:
- Search for %temp% and prefetch and delete everything located in those folders.
- See if that helps. If not, continue the following steps.
- Press CTRL + ALT + DEL.
- Click on "Start Task Manager"
- You will see the processes running. Close all of them which are not needed. Right click on the process and click "End Task"
- See if that helps. If not, continue the following steps.
- Delete all of the unused games/programs you have installed on your computer.
- To make sure, run a system scan with your antivirus.
- Delete every gun/vehicle mod, ENB series you have. They affect your FPS badly.
- Download Razer Game Booster.
- Update your drivers
