Its very important for clients to keep their website applications up to date with the latest versions and security patches.
Security issues with past versions of free or commercial applications occur regularly, so if you do not upgrade your applications appropriately then you are at risk of having your website defaced or worse.
Dotnetnuke updates are a fairly straightforward process, but of course with all updates you need to take precautions and have the correct information to hand. Luckily the lovely techs at Dotnetnuke have provide a video on the subject here:
http://www.dnnsoftware.com/community/learn/video-library/view-video/video/244/view/details/upgrading-a-dotnetnuke-site-via-ftp
There is also a great text guide here:
https://dnndocs.com/content/getting-started/setup/upgrades/index.html
Before you upgrade any application please make a local backup copy to your own PC:
To backup your website files simply download over FTP.
To backup your database please see this guide:
https://portal.winserve.co.uk/knowledgebase.php?action=displayarticle&id=72
We hope clients find this guide helpful, please contact support if you need any guidance.