With Windows 7 or Vista, turning off a PC is simply a matter of clicking the Windows button on the left of the task bar and clicking the Shutdown button. Having just installed Windows 8, it took me a while to work out how to turn the PC off as there is no longer a Windows button and the Start menu is completely different. Here’s how to do it:

1. Bring up the Windows 8 Charms buttons (a strip of buttons arranged down the right of the screen) by moving your mouse cursor the very top right of the screen.

2. Click the Settings charm button.

3. In the Settings, click the Power button: