Don't understand installation description

I don’t understand this description . Download the plugin file 4. Unzip the file into a folder on your hard drive 5. Upload communities-framework.php to wp-content/mu-plugins/ 6. Upload communities.php to /wp-admin/ 7. This should automatically create a new Communities menu inside the site admin dashboard

Where should the rest of the files go? Should they – including the communites.php – all be in the mu-plugins folder and the communities.php be copied to the wp-admin?