Installing Gravity Forms
Step 1: Go to Plugins and select “Add New” under the Plugins navigation
Step 2: Search for “Gravity Forms” and click “Install”
Step 3: Click “Activate Plugin”
Step 4: Plugin Gravity Forms will show on Sidebar menu.
Step 5: Gravity Forms Settings page you will be presented with a variety of options, including the Support License Key.
Creating a Form
Step 1: When you click add New Form, you will be presented with a box asking for the Title and Description of the new form.
Step 2: You can add name Form before you can begin, but you can change that name later if needed
Step 3: It will display the field editor interface
Step 4: Add this Shortcode on your page, post