To add a call-to-action form to your homepage:
Add a Call-to-Action Form directly from the Homepage.
Click the Goals button.
From the Action Type drop-down list, select one of the options under Forms.
A Settings button will appear which allows you to add a Second Action.
Hover your mouse over the Form you added to your Homepage.
Click on Edit to customize:
Vertical / Horizontal Form - set the Email Notification, and Email List (recipients). Set an After Submit Action, add Scripts code on submission, enable Auto-Reply Email and Custom Form to Manage Fields.
Read more about Custom Form.
Search Box Field / Email Subscription Field - change the text of the field's Placeholder and Button.
Click on the Arrow to set the Top and Bottom Spacing.
Click on the Three Dots to change the Action Type, Position it, or Remove it.