GNU/Linux Ubuntu 18.04 Installing GeForce Driver Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install NVIDIA GeForce Graphics Driver for Ubuntu 18.04 Bionic LTS GNU/Linux Desktop.
The GeForce Driver Ubuntu Bionic Setup is a breeze, requiring just a few straightforward Shell Commands to complete.
Optimize graphics performance on Ubuntu with the Recommended NVIDIA Driver Setup from Apt Repo, and optionally the Generic for Linux. Enhance your system now!
Especially relevant, the Latest Driver supporting a Device may vary over Time, so before the Setup you should check:
Finally, with the nvidia-settings Tool you can configure Brightness, Gamma, XVideo attributes, Temperature, and OpenGL.
GNU/Linux Ubuntu 18.04 NVIDIA GeForce Driver Installation Guide