This article explains different ways to quickly access the desktop in Windows 10 and how to create virtual desktops.
fastest way to switch between application windows on a computer
Use the keyboard shortcut Win+D to show and hide the desktop. This command forces Windows to immediately switch to the desktop and minimize all open windows to the taskbar. Use the same keyboard shortcut to bring those open windows back.
Windows 10 includes virtual desktops, which provide more than one version of your workspace. A great use of virtual desktops is to separate professional and personal work.
Press Win+Ctrl+D to add a new virtual desktop. Repeat the button command to create more. Press Win+Ctrl plus the left and right arrow keys to switch between screens.