If you need help with the basics of using Kbin, there's a Kbin FAQ by @dannekrose at:
https://kbin.social/m/kbinfaqs@kilioa.org/t/20459/A-small-FAQ-to-hopefully-help-new-users-to-kbin
The same author has also done a follow-up FAQ for slightly more advanced questions about Kbin:
@feditips I'm seeing many posts about kbin, what about lemmy as it is not in alpha right now?