How to upgrade Manage Engine OpUtils Build# 80014 to 12200 ?

How to upgrade Manage Engine OpUtils Build# 80014 to 12200 ?

Follow Steps to upgrade Version 8 build 80014 to Version 12 build 12300 on  https://www.manageengine.com/products/oputils/service-packs.html. I don't understand step: 
  1. Contact support and get the new license by sending old license


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