"Eternal September" hasn't yet come for urbit; it's probably still february or march over there
I also wrote this: https://martiancomputing.substack.com/p/your-first-day-on-ur...
The UI shown in my blog post is now out of date (the new one is much better), but the group names are still the same and it gives a decent overview. You should be able to join urbit community and find people in there to start.