Your Solution: Windows 7 Keyboard Shortcuts

From Desktop

Windows Key + Tab = press Tab to cycle between Windows
Windows Key + E = Windows Explorer is launched
Windows Key + R = Run Command is launched
Windows Key + F = Search (which is there in previous Windows versions)
Windows Key + X = Mobility Center
Windows Key + L = Lock Computer
Windows Key + U = Ease of Access
Windows Key + P = Projector
Windows Key + T = Cycle Super Taskbar Items
Windows Key + S = OneNote Screen Clipping Tool [requires OneNote]
Windows Key + M = Minimize All Windows
Windows Key + D = Show/Hide Desktop
Windows Key + Up = Maximize Current Window
Windows Key + Down = Restore Down / Minimize Current Windows
Windows Key + Left = Tile Current Window to the Left
Windows Key + Right = Tile Current Windows to the Right [Continue pressing the Left and Right keys to rotate the window as well]
Windows Key + # = Quicklaunch
Windows Key + = = Magnifier

From Windows Explorer

Your Solution