how do I install 12.04 when I am using 13.8?
2136
How to roll back Ubuntu to a previous version?
118307
Why does upgrade from 12.04 to 12.10 using a CD/DVD still require download?
144175
How do I install and keep updated with the most recent versions of Blender on Ubuntu?
59736
How do I install Ubuntu-Tweak?
67365
How to install another Ubuntu alongside different version of Ubuntu?
80233
Upgrade to 20.04 from 19.10 isn't available
128253
do i need to reinstall all my softwares after upgrading ubuntu 12.10 to 13.04?
7095
How do I install different (upgrade or downgrade) PHP version in still supported Ubuntu release?
8962
How to install multiple versions of the same software?
29191
Upgrade to 18.04 from 17.10
61432
Why is there no 32 bit ISO for the new Ubuntu 18.04?
27793
How do I install the latest Python 2.7.X or 3.X on Ubuntu?
113056
How to upgrade from 12.04 to 12.10 using CD?
98450
How to install build-essential?
131858
How can I download THEN install packages?
72152
Upgrading 16.04 to 16.04.1
139401
How to install the latest version of WINE as the system version?