Open the PowerPoint file containing the slide to which you want to add the watermark. Choose the slide that will get the watermark by clicking on its image in the PowerPoint user interface.

Learn how to insert a watermark in Microsoft PowerPoint presentations. You can add a Draft text or an image watermark using the Slide Master.

Microsoft updates Copilot in PowerPoint to allow Windows users to create new slides from files or documents, and even give them prompts.