Nvidia install Kubuntu 25.10

 There's so much rubbish out there. It really is just a matter of one command or two clicks. Both get you installed in around 60 seconds.

If you really like documents the official ubuntu method method here. If you just want to get installed, simply do this:

1.

sudo apt-add-repository multiverse && sudo apt-get update

Disable the Nouveau driver if necessary.

Then one of these:

2. cli
sudo ubuntu-drivers install --gpgpu
or
sudo ubuntu-drivers install

3. gui
sudo apt install software-properties-gtk
then:

It's also buried in kde's software app discover: