Yes sorry, your instructions above are excellent. You also need to ensure you have an active maintenance contract with your software before upgrading, unless you are using the free 5 user version.
As long as you have .NET Framework 4.5 installed on your Server 2008 machine, you can upgrade to build 8995. If you prefer, you can build a new server with build 8995 on it, and perform your move - you will then be prompted to upgrade your database. This might be less risk for you, as you can restore your DB over and over again if needed, and leave your productions system alone whilst you test the migration.
