Update and Upgrade

sudo apt update && sudo apt upgrade

Install Gnome Shell Extensions

Gnome Shell Extensions is a collection of extensions that add functionality to the GNOME desktop environment. You can install it using the following command:

sudo apt install gnome-shell-extensions

or

You can install it from the Ubuntu or Zorin OS Software Center. Matthew Jakeman has created; from Flathub

Install Vitals Extension for Gnome Extension

Vitals is a GNOME Shell extension that adds system monitoring functionality to the top panel of the GNOME desktop environment.

Install Net Speed Extension for Gnome Extension

NetSpeed is a GNOME Shell extension that shows the current network speed in the top panel of the GNOME desktop environment.

Install Gnome Tweaks

Gnome Tweaks is a tool that allows you to customize your Ubuntu desktop. It provides options to change the appearance of your desktop, including themes, icons, fonts, and more.

sudo apt install gnome-tweaks

Install ubuntu-restricted-extras