Here are step-by-step instructions to set up your online appointment booking form: Install and Activate Simply Schedule Appointments to your WordPress site. Open the “Appointments” tab in your WordPress dashboard. Walkthrough the Appointment Booking Form setup wizard. Once complete, you’ll have a booking form that you can embed on your site. To take it to the next level, embed your booking form within a Formidable Form to use all of their advanced form-building features.