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This sim runs surprisingly well on modern systems for all the things going on, if you’re system is not up to date, or is over 3 or 4 years old, you may just have to live with the bad frames unfortunately. shadow settings, shadow maps (lower settings) ambient occlusion, really anything to do with shadows will kill performance, as well as volumetric clouds and live atc. As the other poster said the LOD sliders are next, although I would wait to try others settings first because these will drastically reduce your visual quality. Textures on high or ultra are eating up vram, you should get results from that. Other than that, you’re first setting to take care of is your texture resolution. under Details (you can also right click on the exe under the processes tab and select go to details - you may have to wait for a few seconds or a minute until the exe shows up in the processes or details tab.) when it does and you have it selected under details, right click on it and select “set affinity” and try unchecking the first 3 or four cores and see if your performance increases. You may want to try that if you have a multi core cpu, start msfs, go into task manager and find the flight sim exe. Read some obscure passage about changing the affinity on the cores of my cpu and my performance was back to stellar again. Updated to 11 and my performance tanked, so much so I thought it was just a bad build. On my system (Ryzen 5, 5600xt) on windows 10, I was getting incredible performance.
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The first thing I would suggest, is letting us know about your specs. Yeah, i’m not sure that lowering your ship/vehicle/boat count is going to make a drastic difference.
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