Once you have completed an installation of Entree in a new site collection you will be greeted by a registration screen. You will need a licence for each install of Entree inside your tennant.
- Complete the fields of the form presented to you.
- Click Submit
The e-mail address will be used to send a licence key to. For the free version you can use an unlimited number of seats. The company size you fill in does not translate to a charge under the free licence.

- Go to your inbox and see if you have received an e-mail from service@o365apps.com. It contains your licence key
- Go back to your browser where you just submitted the registration form. You should not see a page where you can leave your licence key.
- Copy paste in the licence key and select okay
- The page should reload and start loading the app for the first time.