One time download and setup (takes a few minutes):

bin/setup

Start the transactor:

bin/start-transactor

In a separate window, restore the database (this takes only a few seconds):

bin/restore-db

Datomic is operated in local dev mode; the H2 database files are in the directory datomic/data/db.

Finally, start a REPL; this will start Clerk and open a new browser tab.

In the browser tab, open one of the files under notebook such as src/datomic_tutorial/notebook/basic_queries.clj.