Adding a user
Click Admin at the top right of the page.

Click +New User.

Under User Selection Method select Create a new user for the account and grant access to this profile to add a user who does not belong to the account.

Enter the email address for the user you want to add. The email address must identify a Google account. You can enter multiple, comma-separated addresses.

Select the role for the user. User has read-only access. Administrator has full access.

Click Create User.

Click for larger image:
