How to turn on or off peek at desktop in windows 10 you can use peek (aka: aero peek) to preview the desktop when you move your mouse to the show desktop button at the end of the taskbar. right click the “show desktop” button, and then select “ peek at desktop ” from the popup menu. move your cursor over the “show desktop” button, which can be found as a small rectangle present at the right corner of the taskbar. Method 1: enable or disable aero peek via right clicking “show desktop” button. In this windows 10 tutorial, you will learn to enable or disable aero peek sktop peek or aero peek was first introduced in windows xp as a show des. in windows 10 creators update, the context menu item is called taskbar settings. the taskbar properties dialog will appear on the screen. To enable aero peek in windows 10, you need to follow these simple instructions: right click an empty space on the taskbar and select the 'properties' context menu item.