Did you follow one of
tutorials on how to roll a new application/section1 in
the Umbraco 7 back office? Did you create the empty class inheriting from
IApplication2? Did you create your
TreeController3 and return the
package.manifest so that they’ll be downloaded and run?
Still not working????
Did you give your back office User account permission to see the new section in Users section of the back office? You may have to log in as the account that you installed Umbraco under in order to see it and grant permission to the other accounts.