Add step-by-step guide, some copy editing

docs/faq_getting-started/stashdb/accessing-stash-boxes.md

@@ -90,7 +90,11 @@ Stash-Box is the name of the software developed alongside Stash that StashDB run
 ### Accessing FansDB
 {: .no_toc }
 
-At the moment FansDB is invite only, but applications are now open for early birds who want to help jumpstart the database.  
-Read the [guidelines](https://docs.fansdb.xyz) and apply [here](https://cryptpad.fr/form/#/2/form/view/akRPLRKcrUvx0ydSwOPGWlnq5bSlpJQpLrTGTrjgTeE/).  
+1. Apply for an invite token, see details below.
+1. Register an account at [https://fansdb.xyz/register](https://fansdb.xyz/register){:target="_blank"}
+1. While logged in, click on your username near the top-right corner and find your API key
+1. Navigate in Stash to Settings -> Metadata Providers -> Stash-Box Endpoints, then enter your API token and the GraphQL Endpoint listed above
+
+At the moment FansDB is invite only, but applications are now open for early birds who want to help jumpstart the database. Read the [guidelines](https://docs.fansdb.xyz) and [apply here](https://cryptpad.fr/form/#/2/form/view/akRPLRKcrUvx0ydSwOPGWlnq5bSlpJQpLrTGTrjgTeE/).
 
-For more details check out Discord (**#fansdb** channel) or Matrix (**#stash-fansdb:unredacted.org** room). 
+For more details, check out the **#fansdb** channel on Discord or the **#stash-fansdb:unredacted.org** room on Matrix.