Theme Update

How to update theme?
Currently running 1.6, how can i update to 1.7? without loosing any feature or messing up with site?
what all new things are updated in 1.7?

Hi,

Everything is described here:
https://www.gavick.com/documentation/wo ... me-upgrade

Changelogs may be found here:
https://www.gavick.com/updates?task=upd ... 52&catid=4

Please remember about the backup!