We've had a surprising amount of players brand new to Opensim or SL worlds, which is wonderful!
Many of them had trouble getting started with basic actions, so our land point is now at a Welcome Center. Players who are familiar with virtual worlds and viewers can teleport down immediately to start the journey to Hogwarts quest.
Those who are brand new can walk through a tutorial where they learn to walk, open boxes, change their avatars, interact with NPCs, and teleport. I have plans to add an optional section on using chat and roleplay etiquette. Many of our new players stated they had roleplay experience, and were just unfamiliar with the software.
Even if you are not new, you might find some of the premade avatars in the tutorial useful.