How to Upgrade OJS from to 3.0.2

Dear Team, First of all congratulations for the new release. Wishing you best of luck. We want to upgrade our OJS from to 3.0.2 but we don’t know how to upgrade it. Kindly guide us and we do not want to loose our uploaded files nor any other data. Simply upgrade version.

Looking forward to hearing from you soon… Thanking You in advance…

Hi, I am not in the Team, but you should read these first:

Note that the last link is already a bit old information