First, get the app from Apple or Android stores with your mobile. Alternatively, you can also log in to from your mobile or computer browser.  

Click on "Sign Up", you will be asked for an e-mail address. Insert an e-mail that you can easily consult via your mobile or your browser. An e-mail will then be sent to you containing a confirmation link. Click on the confirmation link and follow the steps. Registration should take no longer than 5 minutes.

Please note that you will need to add a photo, either from your phone or your Facebook account. You will be able to blur it if necessary.