Now that you have BuddyPress installed, it's time to set it up.
Before you can start working on your new BuddyPress site, you'll need to choose which components you want to activate.
This isn't the last chance you have to activate components; if you want to add (or delete) a component at a later date, you can do so.
If you haven't already clicked on the Get Started button or you're not in the BuddyPress welcome screen, go to Settings | BuddyPress to view the BuddyPress Components screen:
Tick the components you want to activate and click on the Save Settings button. ...