Here are several windows shortcut key that will increase your productivity:

All copied texts and images = Windows + v

copy and paste is a useful tools for you to use. But, rarely windows 10 users know that all the copied text and image can be access by pressing Windows + v. It will shows as below (see Pict. 1). All you need to know is just clicking desired text or imaged.

Closing the Windows and Shutdown = Alt + F4