GNU/Linux Mint Installing NVIDIA GeForce GTX 745 Driver Guide
How to Install Latest NVIDIA GeForce GTX 745 Graphics Driver on Mint 19+ LTS GNU/Linux Desktop – Step by step Tutorial.
The NVIDIA GeForce GTX 745 Driver Linux Mint Setup is Simple and involves only the Execution of few Basic Shell Commands.
Moreover, following the NVIDIA Recommendations is better to use the tested NVIDIA Linux Graphics Driver from the Ubuntu Repository.
Then with the nvidia-settings Tool you can configure Brightness, Gamma, XVideo attributes, Temperature, and OpenGL.
Especially relevant, prior to the Driver Setup you may consult:

1. Terminal Getting-Started Guide
How to Quick-Start with Command Line on Linux Mint:
First Update the Apt Repo Sources with:
sudo apt update
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.
Contents