Final answer:
The correct answer to the question is 'Shutting down', which refers to the process of closing all programs, saving unsaved work, ending the operating system session, and turning off the computer completely.
Step-by-step explanation:
Shutting down the computer is the correct option that closes any open programs, allows users to save any unsaved documents, ends the Windows 10 system, and makes the computer available for other users. When you select the shutdown option, the computer will close all running applications, attempt to save all open work, and power off the system completely. After a shutdown, no electrical power is used by the computer, and you would need to press the power button again to turn it back on. Other options like restarting, hibernating, and simply logging off have different effects on the computer's state.