Some Windows Short cut keys

I would appreciate if u guyz contribute some shortcut keys

task manager shortcut --> ctrl + shift + Esc.

ctrl + shift + clicking on hyperlink - opens page in new window (works in firefox too!)

ctrl + click a file and then draging it creates a copy of that file.
Windows key + e Opens Windows Explorer

Refresh webpage - Ctrl + R

Windows key + e Opens Windows Explorer

ctrl + shift + click a file and then draging it creates a shortcut of that file.

Alt + F4 close the window currently being used
or
If no windows are open then it brings you to a shut down screen

windows key + m minimizes all windows

windows key + f open the search window

windows key + L locks your station

F9-Volume Up
F10-Volume Down

windows key + pause/break key opens up system properties.

if multiple windows are opened:
alt + tab - will show the next page under the currently viewed one
Backspace will take u back to previous page in IE

shift + Backspace
in IE this will bring you forward in pages you visited

Windows Key + D --> show desktop
It's similar to the minimize shortcut, but pressing windows + D again will bring everything back up, unlike the other.

windows key + shift + M will show windows you minimized with win key+ M

ctrl + w will close the current window

windows key + r opens the run prompt

pressing F11 in windows explorer and internet explorer will make the window full screen.
Presing F5 in notepad puts the date and the time

Another way of opening the properties is by pressing alt key and double clicking my computer (or any other file or folder).

Alt - left Shift - Num Lock --> this will let you enable MouseKeys (Move cursor with Num Pad)

F6 will tab through items on desktop or active window

ctrl D will delete an item in explorer.

Alt + PrtScn will take a Screen Shot of the currently selected window.
Keyboard shortcuts you can use with Windows Explorer:

Display the bottom of the active window. END
Display the top of the active window. HOME
Display all subfolders under the selected folder. NUM LOCK+ASTERISK on numeric keypad (*)
Display the contents of the selected folder. NUM LOCK+PLUS SIGN on numeric keypad (+)
Collapse the selected folder. NUM LOCK+MINUS SIGN on numeric keypad (-)
Collapse current selection if it's expanded, or select parent folder. LEFT ARROW
Display current selection if it's collapsed, or select first subfolder. RIGHT ARROW