How can I upgrade to ubuntu 16.04 64 bit from ubuntu 14.04 32 bit?
33540
How can I switch a 32-bit installation to a 64-bit one?
90512
Upgrading from 12.10 WUBI install to 13.04
75798
How to upgrade to the latest GNOME version?
7580
How to safely upgrade from an older Ubuntu version to a newer one?
46571
How do I install Ubuntu 16.04 from an SD card?
16050
Can I upgrade Xubuntu 18.04 32-bit?
8962
How to install multiple versions of the same software?
2136
How to roll back Ubuntu to a previous version?
14631
Can someone clarify Ubuntu (Debian) dist-upgrade for me?
131371
How can I install a newer kernel?
29191
Upgrade to 18.04 from 17.10
87236
How to upgrade Ubuntu 12.04 to 13.10?
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
109539
How can I perform an offline upgrade using Ubiquity on the installation disc?
55211
Problem when upgrading to Ubuntu 14.04 from Ubuntu 12.04
37628
Can I upgrade from Windows 7 32bit to 64bit without formatting?
413
How do I install Ubuntu?