Advice : Use Google Chrome or Mozilla Firefox as browser, they are the most appropriate
To download Google Chrome : https://goo.gl/UxQoF6
To download Mozilla Firefox : https://mzl.la/2SaNHoA
Click on the GIFs for full screen
BE CAREFUL to fill all the information to validate and continue
BE CAREFUL an email address can't be used for 2 pilot accounts
possibility to add them after, as soon as they are up-to-date
to prove you are not a robot