Budete přecházet na novou verzi Ubuntu 22.04 LTS?
Vyšla nová verze s dlouhodobou podporou.

Recommended system requirements:
2 GHz dual-core processor or better
4 GB system memory
25 GB of free hard drive space
Internet access is helpful
Either a DVD drive or a USB port for the installer media

https://ubuntu.com/download/desktop
https://ubuntu.com/download/alternative-downloads
https://ubuntu.com/about/release-cycle
https://linuxconfig.org/ubuntu-22-04-minimum-requirements

Alternativně
https://lubuntu.me/
https://cdimage.ubuntu.com/lubuntu/releases/22.04/release/