add sudo user:
https://linuxize.com/post/how-to-create-a-sudo-user-on-debian/
Install wifi firmware:
sudo apt-get install firmware-b43-installer
Install i3:
sudo apt-get install i3 i3blocks dmenu rofi
Add testing repo:
/etc/apt/sources.list
https://www.binarytides.com/enable-testing-repo-debian/