First observation is that you’ve got everything set as Ultra which even the most powerful machines will struggle with. As a start turn everything down to High or even Medium with things like buildings, trees, grass, water effects. Reduce your OLOD and TLOD to less than 100. Reflections also tend to be heavy on performance so reduce or even turn them off. The point is you need to get the sim back to an acceptable level then experiment with turning settings up. There are any number of Utube vids that cover, one I’ve found good is this one.
What values of FPS are you gettng and do you suffer from stuttering? For most people FPS of 30 is quite acceptable as the human eye generally does not really see any improvement above that figure, though there are lots who will disagree. For now aim for 30-40fps and try to get a smooth action.
Finally although SSD drives are fast an MCie would be better if you can run to one and your machine will accept it. Just make sure that you have plenty of drive space as using any more than around 80% can have serious effects on Windows performance.
All this is for MSFS2020 - I have no experience (yet) of 2024 but the principles should be the same.
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