Windows Shortcut Keys

Switch between Applications
Alt+tab, alt+Shift+Tab	Cycles through open programs in taskbar. Hold alt and continuously press tab to move forward between applications. Release keys to switch to application selected. Add shift to reverse direction.
Alt+Ctrl+tab, then usearrow keys to select application	Cycles through open programs in taskbar without needing to hold alt continuously. Pressalt+ctrl+tab once, then continue with arrow keys and press enter on application.
Alt+Esc/Alt+Shift+Esc	Cycle through programs on taskbar in the order they were opened or accessed
Win+Tab	Cycle through programs using Aero Flip 3D
Ctrl+Win+Tab	Cycle through programs on Taskbar using Aero Flip 3D
Win+g	Cycle through Gadget Window

Manage Multiple Windows
Win+d	Minimize all windows on all Monitors. Press again to restore previous state
Win+m	Minimize all windows on current Monitor
Win+Shift+m	Restore previously minimized windows on current Monitor
Win+Home	Set all windows to Minimized on current Monitor except active
Win+Space	Preview Desktop / make windows transparent (May not work with all Settings)