Hi Peter from the Moon,
Thanks for reaching out to Microsoft Community and posting your inquiry.
The steps below can help you conveniently show the desktop easily:
• If you're using the desktop mode, click the lower-right corner of the screen as shown:
• Right-click the taskbar and choose "Show the desktop".
If this answers your question, we highly encourage you to inform our Community by clicking on Yes or marking my post as an answer. This will help other members who may have the same issue as you. Otherwise, don't hesitate to update us so we can further assist you.
Kind regards,
John Neil_J