On desktop computers, you'll likely find the power button on your vertical or horizontal tower. You may also find it in the upper left, center, or right-hand corners of your keyboard. Laptop users can likely find it on the left or right side of their device.
Somewhere on your computer - depending on what kind you have - there is a power button.
A forced shutdown is not always great for your system, but if even Ctrl+Alt+Delete doesn't work, this will. This method is best for when your computer has frozen entirely.