We’ve heard that the update process can be confusing and difficult. In CU6 we've shipped a new update installer. We’ve also worked on the following content to make things clearer. Please send feedback--we're happy to keep clarifying.
Created a 34 x 44 poster about the update process:
Combined and rewrote the primary topics about how to install updates:
Added a retail update topic:
Clarified the installation instructions in our commonly-used KB articles: