Select a lesson in ScreenSteps and export to Blog/Web.

In the export dialog, select the Zendesk account you created earlier (1). You can select the forum you would like to post to (2) as well as the template you want to use (3).

Unless you have created your own custom template for use with Zendesk forums you should use the Zendesk template (4).

Click the Upload button to begin uploading your lesson (5).

Once the lesson has finished uploading you will see this dialog. Click Visit to view the forum post in your browser.

Here you can see an example of a forum post created using ScreenSteps.