A banner creative is the most basic ad format. It appears within set borders on a page and doesn't expand or cover other page content. Banner creatives can serve in desktop browsers, mobile web browsers, or in mobile apps.
This guide steps you through the process of building an HTML5 banner creative using the Studio HTML5 SDK using any HTML editor. If you're using Google Web Designer, see Build a banner with Google Web Designer.
To start building an HTML5 banner creative, click next and follow the step-by-step workflow in the side panel.