Upgrade BO 4.1 SPS5 to SPS6

Hi Team .

We are using BO 4.1 SPS5 with Suse 11.3 .

I want to install SAP LUMIRA for that need at least BO 4.1 SPS6 version .

So any guide of how to upgrade BO version from 4.1 SPS5 to SPS6 .

Regards

Sandeep Kumar