Install Ubuntu on a Raspberry Pi | Ubuntu
https://ubuntu.com/download/raspberry-piInstall Ubuntu on a Raspberry Pi Running Ubuntu on your Raspberry Pi is easy. Just pick the OS image you want, flash it onto a microSD card, load it onto your Pi and away you go. First time installing Ubuntu on Raspberry Pi? Follow our desktop, server and core tutorials. Download Ubuntu Desktop Recommended desktop Ubuntu Desktop 21.10
Ubuntu for Raspberry Pi | Ubuntu
https://ubuntu.com/raspberry-piThe Ubuntu community and Canonical are proud to enable desktop, server and production internet of things on the Raspberry Pi. In support of inventors, educators, entrepreneurs and eccentrics everywhere, we join the Raspberry Pi Foundation in striving to deliver the most open platform at the lowest price, powered by our communities.
Install Ubuntu Core on a Raspberry Pi | Ubuntu
ubuntu.com › download › raspberry-pi-coreFirst boot setup. The system will boot then become ready to configure. The device will display the prompt “Press enter to configure”. Press enter then select “Start” to begin configuring your network and an administrator account. Follow the instructions on the screen, you will be asked to configure your network and enter your Ubuntu SSO credentials.