I swear the Official Bullet Journal™ website used to have a post or something with the basic process laid out. Now you can subscribe to the newsletter and get an excerpt of The Book, which is just prose about productivity and mindfulnessa horribly inaccessible hand-written "reference guide" that probably doesn't mean much to anyone who doesn't already know The reference guide at least provided the refresher I was looking for, but ye gods I wish this hadn't turned into a business