These are relatively inexpensive ways to improve performance without spending serious money on upgrading parts.
If your PC is a few years old, you might also consider swapping out the thermal paste on your CPU cooler and perhaps even considering doing the same for your graphics card. Remove any dust covers or mesh panels from your case and give them a clean. Get yourself some compressed air and blow it through your fans. In NVIDIA Control Panel, select the Manage GPU Performance Counters task in the Developer section of the navigation pane. Open Windows Control Panel and double-click the NVIDIA Control Panel icon. If you're not keeping on top of maintenance then something as simple as dust and dirt build-up on air intakes could be ruining your fun. Open NVIDIA Control Panel: Right-click on the Windows desktop and select NVIDIA Control Panel from the menu.
Note: For this method to work, you should be using Windows 10 v1903 or v1909. Jump to: PC Settings app Nvidia Control Panel Use PC Settings App (Windows 10 Only) The Settings app in Windows 10 allows you to set the preferred GPU as Nvidia for any application of your choice. One way around this is to simply clean your PC. So, without further ado, let me show you steps to set Nvidia graphics card as default in Windows 10. So you could be getting less FPS as a result. This means they're intelligently reducing power usage in order to stop your components from breaking. If your PC is running too hot then both your graphics card and CPU may be thermally throttling. If you're not getting the performance boost you deserve and your gaming machine looks like something like the one pictured above then you might need to give it a clean.