Log into your Ossn Administrator panel (YOUROSSNSITE_URL/administrator) and click on Installer options, in the Components menu
Click the Browse button and select the component zip archive on your local PC. Then, click in the Upload button
Back in the dashboard, this time click Components in the Components menu
Click on the installed component in the list of components (orange arrow). Then, click in the Enable button (red arrow)
After enabling it, open the Admin Notification option in the Config menu and set the information.
Source: opensource-socialnetwork.org