never heard of nvslimmer, but by the sound of it it does exactly the same as nvcleanstall, which I have used. Basically, I only install the driver and physx from the nvidia driver package, with telemetry disabled during the install (so, no ads and such nonsense during install).

https://www.techpowerup.com/download/techpowerup-nvcleanstall/

edit: and nv control panel from the windows store thingy (which is dreadful, imo)

Never used that, but NVCleanstall works great and sounds similar.

Definitely go with nvcleanstall