Installation Steps:
Add this PPA - https://launchpad.net/~graphics-drivers/+archive/ubuntu/ppa
sudo add-apt-repository ppa:graphics-drivers/ppa
sudo apt update
ubuntu-drivers devices
Select the driver - nvidia-driver-570-open - third-party non-free for installation
sudo apt install nvidia-driver-570-open
Or you could do a graphical installation via Software & Updates -> Additional Drivers and select the Using NVIDIA driver (open-kernel) metapackage from nvidia-driver-570-open (proprietary) for installation