Upgrading from Ubuntu 10.10
12578
How do I upgrade to a newer version of Ubuntu?
114492
How can I upgrade from Mac OS X Tiger 10.4?
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
151605
upgrading from 15.10 to 16.04 apt not installed
74079
How to Upgrade Ubuntu 12.04.2, 12.04.3 to 12.04.4, the next Hardware Enablement Stack?
123413
Will apt-get dist-upgrade upgrade my system to a newer version?
72152
Upgrading 16.04 to 16.04.1
20399
How do I upgrade from 14.04 LTS to 16.04.1 LTS?
63176
How can I update to Ubuntu 21.04?
100141
Is there any "official" guidance to upgrading from Lubuntu 18.04 LTS (LXDE) to Lubuntu 18.10 (LXQt)
49889
Will there be data loss if I upgrade?
25919
How to replace an old version of Ubuntu with a newer one from USB/DVD?
55725
Can I install the free Windows 7/8 -> 10 upgrade on a new empty drive?
2670
Why is "No new release found" when upgrading from a LTS to the next?
413
How do I install Ubuntu?
132293
If I can, how do I install Ubuntu from Ubuntu?
8603
Upgrading my Wubi 11.04 to 11.10