Do You want to protect your data so that no one can take it out from your PC via a pen drive, Then here are steps to block usb ports. You can reenable whenever you want.

1. In search box search RUN. You can also press windows key + r.

2. Now, type regedit in it to open registry editor.

3. Once it browse to the follwoing location given in next step

4. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usbstor

5. In the right area, double click on Start.

6. In the Value Data box, change the value to 4.

7. Finally Click on OK.

8. Close Registry Editor and restart your PC.

9. To re-enable access to your USB ports, enter 3 in the Value Data box in Step 6.
To open 3rd item on Taskbar just press Windows key + 3 and so on …

To Highlight and focus on Taskbar items use Windows key + T

Also if you middle click on any taskbar icon, it will open a fresh window of it

Pressing Windows + Arrow keys maximizes or minimizes videos

Window+UP = Maximize window

Window+DOWN = Minimize window

Window+LEFT = Set the window to the left half of your screen

Window+RIGHT = Set the window to the right half of your screen

Also read: Find out which app is eating up more space with windows storage

An article by Munna Suprathik