Go to Users tab and click o the blue "Add user" button i the right, upper corner:
Hover above the avatar to add a picture – you can upload any photo from your local drive in *.jpg or *.png format. Once it’s uploaded, use the arrows to adjust it:
Once you have filled in all the required info about the user, click Save at the top right:
The new user can log into Traffit using his or her email address as the login.
If you want to change the type of data required in the user form or add additional fields to it, go to Settings -> Fields configuration -> User -> User form: