Windows Shortcuts

Windows + D: Minimize or restore all windows
Windows + E: Display Windows Explorer
Windows + F: Display Search for files
Windows + Ctrl + F: Display Search for computer
Windows + F1: Display Help and Support Center
Windows + R: Display Run dialog box
Windows + break: Display System Properties dialog box 
Windows + shift + M: Undo minimize all windows
Windows + L: Lock the workstation 
Windows + U: Open Utility Manager
SHIFT+DELETE: Delete item permanently (No Recycle Bin)
ALT+TAB: Switch between open programs
SHIFT+F10 Opens a shortcut menu for the selected item (this is the same as right-clicking an object)
F2: Rename object
F3: Find all files
F4: Selects the Go To A Different Folder box and moves down the entries in the box (if the toolbar is active in Windows Explorer)
F5: Refreshes the current window.
F6: Moves among panes in Windows Explorer