To set up an account visit http://bookingbug.com There is a 14-day free trial available for which you do not need to enter your card details.
This is only for SME customers, Enterprise customers will need to contact BookingBug for a quote.
You can also customise the colours and size of your embedded widget via your account.
Now you can start using BookingBug on your own site. You can embed the BookingBug widget by copy and pasting the widget code into your website.
Alternatively, you can take advantage of the optional public site that BookingBug hosts for you. You can add a "book now" button to your own site to direct users to the public hosted site that the platform provides.