How To Lock your computer:
On the off chance that you get up Sick of your “friends” going onto your computer at work or home and posting things on your Facebook/Twitter page for your benefit? It is surely a disturbance, yet a simple one to avert. Windows + L will bolt your framework immediately, obliging a watchword (in the event that you’ve set one) to log in once more.
Better multiple monitor control:
There are a few valuable keyboard shortcuts ways for controlling open windows on multiple monitors. Pressing the Windows Key + Arrow Keys will result in a window to rapidly snap to each one side of either screen. Then again, hitting Shift + Windows Key + Arrows will result in the window to hop to the next screen. In conclusion, pressing Windows + P will permit you to rapidly set up a second show or projector.