Its final release has been scheduled for the 13th of April 2017.
Upgrade to Ubuntu 17.04 from Ubuntu 16.10
Before getting started, you need to do some preparations:
1. Backup of important data, bookmarks, and other user documents.
2. Remove or disable third-party repositories.
Launch Software & Updates utility, navigate to Other Software tab, and remove /disable all third-party repositories.
4. Make your system up-to-date by running command in terminal:
|$ sudo apt-get update && apt-get full-upgrade|
After all, launch Update Manager via the command below and it will prompt that Ubuntu 17.04 is available after checking for updates:
|$ sudo update-manager -d|
Click the Upgrade and confirm in the next dialog, follow the wizard util done.