If you are one of them, this post is what you need.
Now, you could read this post fromMiniToolcarefully to get some useful and feasible methods.
Horizon Forbidden West Complete Edition is an action role-playing game developed by Guerrilla Games.

It was originally released for PlayStation 4 and PlayStation 5 but isnow available for Windows PC users.
To do this:
1.
Right-click theHorizon Forbidden West Complete Editionexe shortcut file on your PC.
Now, selectPropertiesand click theCompatibilitytab.
Check theRun this program as an administratorbox.
This problem can be solved by plugging in the controller instead of using it wirelessly.
Here is how to do that.
OpenSteam Libraryand find Horizon Forbidden West Complete Edition.
Right-click it to chooseProperties….
2.
Click theUse default settingsdrop-down menu to chooseDisable Steam Input.
Go to the games audio tweaks and set Controller Volume to 0.
This fixes the low FPS issue with the game.
Open Horizon Forbidden West Complete.
Go toSETTINGS>GRAPHIC.
Scroll down to findDLSS FRAME GENERATIONand turn off it.
Refer to this post How to Update Graphics Card Drivers (NVIDIA/AMD/Intel).