The micro stutter issue usually comes from v sync conflicts, so let's start with that. When you enable v sync in game, you'll notice it helps sync everything to your monitor's refresh rate but watch out the engine sometimes fights against external frame caps. If you're running an nvidia setup, disable shadowplay and geforce experience first since those can cause overhead, while amd users should switch to enhanced sync through radeon settings instead of the default v sync.

Next up is the graphics config which is pretty crucial, especially after that next gen patch. You'll want ray tracing completely off since it's causing problems right now and switch over to taau instead of dlss or fsr which are both acting weird in the current version. The resolution scaling is finicky too dropping it too low actually makes the stuttering worse so better to keep it native if your hardware can handle it.

The engine itself can be temperamental, so there's a few extra things worth trying. Closing background apps definitely helps, especially those overlay programs from gog and steam that love to cause trouble. Setting the process priority to high in task manager and running as admin sometimes smooths things out, and you might get better results letting the game handle v sync itself rather than forcing it through control panel settings. Just keep in mind some stuttering might stick around until they patch the engine issues, but these tweaks should make it more playable for now.