This is meant as a quick-start for people who want to improve OrbiterWiki, but don't have experience using a wiki.
1. Register as an OrbiterWiki user:
https://www.orbiterwiki.org/index.ph...in&type=signup
This isn't strictly necessary, but it might be useful to use the same user name you use for Orbiter Forum.
2. Go to a page that you are interested in, and might like to edit. For this guide, start with Chapter 2 of Go Play In Space:
https://www.orbiterwiki.org/wiki/GPIS_2:_Smack!_Rescue...