How do I do a new install?
9738
How can I replace Windows with Ubuntu?
7580
How to safely upgrade from an older Ubuntu version to a newer one?
8962
How to install multiple versions of the same software?
156886
Where should I copy-paste-install software to?
66086
Ask to install program after "The program 'x' is currently not installed"
78859
How to reinstall default packages
117029
Can the previous version overwrite the currently installed app?
42197
Does it make sense to create swap partitions for new installations nowadways?
63176
How can I update to Ubuntu 21.04?
77762
What are post-installation triggers?
84511
Re-use Mavericks install file
150504
How can I add new logical partition?
44982
How to install with separate home partition (home partition already created in previous installation)?
31506
How do I update Ubuntu manually?
18655
How to reinstall Windows 10 on new hard disk
2963
What is the proper way of creating installation media from Ubuntu iso?
34367
How do I reinstall Ubuntu?