Five Windows secrets exposed! Number one. Hover your mouse over the speaker icon on your taskbar and then scroll your mouse wheel up or down to adjust the system volume. Number two. Press the Windows key together with V and you can now copy and paste multiple items. Number three. Go all the way down to the bottom right-hand corner and click on this icon. This shows your desktop. Press on it again and it’ll restore all of your apps. Number four. Press the Windows key together with the period key. This opens up the emoji picker. You can insert an emoji, a gif, or a kaomoji. Number five. Press the shift key when clicking on an app on your taskbar and this opens up another instance of that app.