First, visit your Beacon dashboard and click the 'share' button of the relevant publication:
Next, click the 'enable lead capture' option
Click the start button to begin customizing your lead capture box.
Change the appearance by clicking the customize button. Once you're happy with how everything looks, click next.
Finally, copy the embed code and paste it into the code view of your website editor:
In this example, the embed code is being added to a WordPress blog post: