Create a Form Without a Published Board 
You can create a form without using an already published board if you prefer to start with a blank canvas. This is the second method of creating a form (see Create a Form Workflow).
To create a form
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In the Form Gallery, click + Create Form.
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In the Create Form window, enter the following information.
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Click Done.
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The form is created and appears in the Form Gallery.
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You enter Design mode for the form.
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You can now design your form. Go to Add Form Components.