BO XI 3.1 and Service Pack 7 Upgrade

Hi Folks,

Hope you have a wonderful day.

Question: 1

In my company still we are using BO XI 3.1 and Service Pack 3.2.

Now, We are planned to upgrade Service pack 7. Even though deadline come to close my company decided to go through Service 7.

Please suggest me what are all the steps I need to do before going to upgrade.

Question: 2

In my org, we are maintaining separate servers for Webi, Crystal, CMC and etc.

Now, I need to merge Crystal,Webi,CMC in to one server and upgrade with service pack 7.

Please suggest me what are all the steps need to follow before and after installation.