Sorry to hear this. I’m not seeing a slow down on my install (24.0.594.6) on Win 11 Pro 23H2. Is this a managed PC (your work sends out updates) or your own PC?
I’d shut down everything on the PC. Uninstall the graphics card and then reboot. Download the current drivers and install and then reboot once more. Kind of a drastic move but…
Here are my settings and I have zero issues with an older system…
If you cannot post your problem model, post a screenshot of what you see in the Model Info>Statistics window when the “Show nested components” box is checked.
Is Length Snapping enabled in the Model Info>Units dialog? Disable it: