Windows keyboard short keys really come in handy and save time according to research. It is better to use keyboard keys rather than take your hand towards mouse for a simple task. And honestlt it looks cool also. Just be like those geniuses in movies who never use mouse and use short key available below.

Alt + F4 = Close
Alt + Tab = Change Screen
Ctrl + A = Select All
Ctrl + Alt + Delete = Restart menu
Ctrl + F = Find
Ctrl + N= Create new File/ Folder/ TAB/ Window
Ctrl + O = Open
Ctrl + P = Print
Ctrl + C = Copy
Ctrl + V = Paste
Ctrl+U = Underline
Ctrl + X = Cut
Ctrl+Z = Undo a task
Ctrl+Y = Redo a task
Ctrl+Shift = To create a shortcut while dragging
Ctrl + shift + R= Hard refresh
Esc = Escape
F1 = Support/ Help Window
F11 = Full Screen
F3 = Find
F5 = Refresh
PrtScr = Screenshot
Shift + Delete = Permanent Delete
Win + D = Desktop
Win + L = Sign Out
Win + R = Run Command
Win = start menu