Chat Roulette installation into Moodle
1. Download Moodle Chat Roulette plugin and unzip the package.
2. Copy rzroulette folder to <moodle root directory>/local/.
3. Login your site as admin and go to Home -> Administration -> Site Administration -> Notifications, click Upgrade Moodle database now and then Continue.
4. New item called Chat Roulette will appear in your site Navigation block.