How update Solaris ?

I have Solaris 10 01/06 version on my server, but i wanna update her from my DVD-Disc to 08/07.
How i can do it ? I has try boot from disc, but don't find Upgrade function =(
Please help me anyone!

The best approach is using live upgrade.

Solaris 10 Installation Guide: Solaris Live Upgrade and Upgrade Planning