Hold Shift when inserting a CD
Prevent the CD from autoplaying

F4 in Windows Explorer
Display the address bar location list

F5
Refresh the screen

Ctrl and Z
Undo an action

Ctrl and Y
Redo an action, in case you’ve used undo incorrectly

Shift and Delete
Delete the selected file(s) without moving to the Recycle bin (be careful!)

Shift and F10
Display the shortcut menu for the selected item

Alt and Tab
Switch to the previously active window

Alt and F4
Close the active window

Windows key and D
Show the desktop

Windows key and E
Open Windows Explorer

Windows key and F
Open a Search window

Windows key and G
Cycle through Sidebar gadgets

Windows key and R
Open a Run window

Windows key and T
Cycle through and preview all the applications on the taskbar

Windows key and 1
Launch the first program on your Quick Launch toolbar

Windows key and 2
Launch the second program on your Quick Launch toolbar

Windows key and Tab
Use Flip 3D to cycle through all currently open applications

Windows key and Spacebar
Select the Windows Sidebar

Ctrl and Mousewheel
Changes the view of your current folder

Left Alt and left Shift and Print Screen
Toggles the highcontrast display

Thank you for posting these Daniel

I am going to copy them to a paper for future reference.