Audi MMI 3g + update from original 2011 A6 Allroad

Hello everyone, complete newbie on here so apologies for silly questions in advance!
I would like to upgrade the MMI and Nav system on our A6 from;

IMG_3465.jpg


If i understand correctly I have to update it by installing all the consecutive updates?
If that's the case were can i find them and how many are there?

Thanks agin,
Alprider

Attached Images

• IMG_3465.jpg (96.0 KB)