You can access to your Free Trial version by signing up in Time Analytics home page.
Next step is filling a Registration Form. You will receive authorization link in your email. Click on that link and log in by your email and password.
When you logged in, you can invite new members of your team to log in as a well. This can be done in Set Up > People > Add New.
If you have any question please contact your support officer at firstname.lastname@example.org