Easy! You get credits by distributing your music through Boost Collective. Every song you distribute gets you credits.
Rise through the ranks - distributing more songs through Boost Collective will unlock new ranks.
The higher your rank, the more credits you’ll get per song you distribute.
Please note: Promo Credits are used for Playlist Promotion. Normal credits are used for everything else. You can see how many credits of each type you have on the top right of your dashboard:
Learn more about the difference between the credits here.