Upgrade OS version (dual boot)
12578
How do I upgrade to a newer version of Ubuntu?
80287
In setting up dual Boot with Windows and Ubuntu, which OS do I install first?
128471
How do I update from 9.0.10 to 9.1.0?
24165
Upgrade to version newer than repositories
6741
Windows 8 upgrade Recovery Disk
94557
How can I install a dual boot configuration with Ubuntu and Windows XP?
30531
What version of Ubuntu should I pick?
41825
How to downgrade from 64-bit to 32-bit
20399
How do I upgrade from 14.04 LTS to 16.04.1 LTS?
5882
How to upgrade Ubuntu from an ISO image
19972
Reinstall of OS after CPU Upgrade needed?
55725
Can I install the free Windows 7/8 -> 10 upgrade on a new empty drive?
26383
How to install Windows 7 after Ubuntu and dual boot?
121201
Why can't I update applications without upgrading the whole OS?
120337
Is it possible to get Windows 10 upgrade as an ISO image (to make a bootable install disk from)?
136572
Installing windows to dual-boot
67365
How to install another Ubuntu alongside different version of Ubuntu?