Changing the Wallpaper in Windows 10
One of the most common settings to customise in Windows 10 is the desktop background, or the “Wallpaper”. The default is a colourful picture, but I prefer something less busy, like a solid-colour.
On the empty section of the desktop, right-click and select Personalize to launch the Settings dialog
Select Background from the menu on the left
Change the background to Solid color