General in Terminal:

# Update and some cool stuff

sudo apt update
sudo apt upgrade
sudo apt install preload
sudo apt install tlp tlp-rdw
sudo apt install bleachbit
sudo apt install lm-sensors
sudo apt install gnome-tweak-tool 
sudo apt install ubuntu-restricted-extras 
sudo apt install neofetch

#Tuxedo Control Center

sudo nano /etc/apt/sources.list.d/tcc.list

Insert:

deb http://deb.tuxedocomputers.com/ubuntu focal main
deb http://oibaf.tuxedocomputers.com/ubuntu focal main
deb http://graphics.tuxedocomputers.com/ubuntu focal main
deb http://kernel.tuxedocomputers.com/ubuntu focal main

Terminal:

wget -O - http://deb.tuxedocomputers.com/0x54840598.pub.asc | sudo apt-key add -
sudo apt-key adv --fingerprint 54840598
sudo apt update
sudo apt install tuxedo-keyboard
sudo apt install tuxedo-keyboard-ite
sudo apt install tuxedo-tomte
sudo apt install tuxedo-cc-wmi
sudo apt install tuxedo-control-center