Yes that doc is enough to upgrade the SM, you have to follow the doc step by step. First go through full cod thoroughly. You would reuqires number of insatllater like clinet,web tier, SM rte etc, so to get these you must have proper support or may get same from some friend.
also you must be experience in tailoring the SM very well as during conflict resolution it is must to understand the logic an expressions of SM.
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