Reply To: How to upgrade from 2.0 RC2 ? Home Page › Forums › Network Management › ZeroShell › How to upgrade from 2.0 RC2 ? › Reply To: How to upgrade from 2.0 RC2 ? March 6, 2017 at 8:26 pm #54391 DrmCaParticipant Yeah, it should just work. I was running on a Dell Optiplex PC with P4 Celeron 2.2 when I upgraded from 2 to 3, and all it took was backup and restore of the profile.