If you are having any trouble signing up, it may help to try another browser, disable your browser plug-ins or to reload the sign-up page, ignoring cached content with the following keyboard shortcuts:
In Chrome and Firefox: Cmd+Shift+R (on a Mac); Ctrl+F5 (on a PC)
In Safari and Opera: Cmd+Opt+R (on a Mac)
In Edge: Shift+F5
In Opera: Ctrl+F5 (on a PC)
If the issues still persist, don't hesitate to contact the support team via the chat or firstname.lastname@example.org!