How to upgrade from Ubuntu 14.04 (32-bit) to latest Ubuntu Budgie (64-bit)?
43778
Is it possible to "upgrade" from a 32bit to a 64bit installation?
33651
How to upgrade from Ubuntu 12.10 to 14.04
98421
How will people upgrade from 12.10 to later releases after 13.04 is EOL?
83960
How do I change my update server in Ubuntu 18.04?
2136
How to roll back Ubuntu to a previous version?
41825
How to downgrade from 64-bit to 32-bit
56225
Do I have to download both the 14.04 and the 14.04.1 versions of ubuntu?
77705
Unable to upgrade in ubuntu
127766
how to upgrade my Debian package with minor changes
115421
Ubuntu 13.10 to 14.04 Lts does not upgrade, keeps showing error
421
How do I update a Drupal distribution to a newer version?
13970
Why am I not getting the Ubuntu 18.04 upgrade?
113942
Is it possible to install Python 3.x in 14.04 LTS, or upgrade from Python 2.7.6 to 2.7.8?
17493
How do I install the latest stable version of Thunderbird?
67359
Upgrade to the latest PHP version in Ubuntu
1520
How to install software or upgrade from an old unsupported release?
144175
How do I install and keep updated with the most recent versions of Blender on Ubuntu?