Click on the gear on the top right of every page. It will open the options relatives to your profile. Select in the left panel the option "Add User".
To add an user you should fill al the fields with his or her information and a password to enter.
We provide two possible roles: admin or user. The first one can perform every possible within in Analytics while the second one (user) will not dispose this administrator panel, that is, he or she couldn't create or edit users.
Finally, you can assign privileges that consist on select which tabs will see the user in Analytics (Behaviour, Business and Optimization). Therefore, the tabs that you selected will be those that can see this new user.