Scroll down the page for detailed instructions
- Download Contact Form 7 from suggested plugins dialog box
- Install Plugin
- Click Activate Plugin
- Click on Contact => Add New
- Fill out the RSVP form as you would like it to appear to your users
- Click Save
- Copy the Shortcode listed above the form field area
- Go to Appearance => Widgets
- Select the Text content widget and drag to the Contact Form widget area
- Paste the shortcode in the text widget area and save the widget
- Go to Appearance => Customize
- Go to Home Page Options => Contact Form
- Edit any color options