I've put a fresh copy of win10 on this, so no dell stuff.
But I'm sure windows will find drivers and software automatically and install them.
Other than these, what must one install from the dell site to make sure it works properly and stable?
thanks
If it ain't broke, don't fix it.
I use most of my laptops in a no-bloat configuration, and Windows 10 is smart enough to install the right drivers 95% of the time.
The only time where you might need to install a driver yourself is when you have a gaming laptop and the GPU needs the latest version to run and support new games.
Touchpad drivers can be updated to ensure you have the latest touchpad gesture features, but it's also fairly unneccesary since Windows will install the most generic driver from Synaptics for e.g
Other things, like wifi adapters, sound cards, USB controllers, RAID drivers etc are all usually working by the time you finish installing Win10 and do not usually require a manual installation.