Use a link
Go to a web browser and paste the link.
Note: Currently, guests can't join a team by using a link.
Use a code
Select Teams on the left side of the app, then select +Join or create a team at the top of your teams list.
In Join a team with a code, paste the code in the Enter code box and then select Join.
If you're a team owner, you can get a link or a code to send to someone.
Currently, guests can't join a team by using a code.