Useful key shortcuts for Windows

Windows key + D - shows the desktop
Windows key + M - minimizes all open windows
Windows key + Shift + M - maximizes all open windows
Windows key + E - Runs Windows Explorer
Windows key + R - shows the RUN dialog
Windows key + F - shows Search window
Windows key + Break - shows System Properties box
Windows key + TAB - Go through taskbar applications
Windows key + PAUSE Display the System Properties dialog box
Windows key + U Open Utility Manager

ALT + TAB - Cycle through opened applications
CTRL + ESC Display the Start menu
ALT + ENTER View the properties for the selected item

Hold down CTRL while dragging an item to Copy it
F4 key Display the Address bar list in My Computer or - NUM LOCK + Asterisk (*) Display all of the subfolders that are under the selected folder