3 options for installing drivers in my view-
1. I use DriverSweeper just because I have a ritual worked out and I believe I've had issues in the past without doing this install ritual- don't remember correctly 100% and don't care.
2. Probably be OK just uninstalling, rebooting, reinstalling new version.
3. Otherwise install over existing and don't worry about it until you run into a problem.
With larger, systemic driver changes, I'd probably want to do 1 or 2. Problem is you don't know when they are doing large underlying file renames/ restructuring. Best option is probably to do #3 until you run into problems then do 2, then 1 if that doesn't work.
These drivers seem good, and everyone calls these releases worthless but I keep seeing things fixed with each release that are issues not listed in the launch pdf.
I was very pleased by 12.2whql and this release seems to be just as good.