Please Note: The Windows key shown below as is located on your keyboard, usually on the Lower Left, between the 'Ctrl' and 'Alt' keys, and has the little Windows flag on it. (Click here for a bigger picture - you want the key shown outlined in green.)

This list of 63 shortcuts keys is pretty complete, and includes key sequences that work in other versions of windows as well, but not all of them, many of these are specific to Windows 8.

1. Getting around Windows 8 Start Screen and Desktop
2. Windows 8 Charme Shortcuts
3. Switch between Apps and Windows
4. Power User Commands Shortcuts
5. Managing Windows 8 Desktop Windows
6. Windows 8 Taskbar
7. Navigating Desktop
8. Windows Explorer
9. The Rest

1. Getting around Windows 8 Start Screen and Desktop

	Toggle between Desktop and Start Screen (or open Apps)
Ctrl+Tab	On Start Screen: Switch Between Start Window and All Apps Window
, then Ctrl+Tab	Open All Apps Window
, then start typing App Name	Search and execute Apps
Escape	Close Start Screen and go to Desktop
+E	Run Explorer on Desktop
+R	Execute Run on Desktop
+X	Open Power User Commands on Desktop
Alt+F4	Shutdown Windows
+L	Lock Computer
+F1	Open Windows Help

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2. Windows 8 Charme Shortcuts

Tip: Pressing Escape typically closes most Charme menus.
+C	Open Windows Charme. Use arrow keys and enter to select item. Press
+Q	Search Charme / last search option
+F	Search Files
+W	Search Windows Settings
+I	Open Settings including Desktop, Control Panel, Personalization, PC Info, Help
+H	Share Charme
+K	Device Charme
+S	Search Settings
+F	Search Files
+Z	Show Options / App Bar in current Metro Apps if available.

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3. Switch between Apps and Windows

Alt+Tab and Alt+Shift+Tab	Cycle between all Windows and Apps. Press and hold Alt key before pressing Tab. Release Tab on Window/App you want to open. While tabbing, add Shift to key combination to go backwards.
Ctrl+Alt+Tab then Arrow Keys	Cycle between open Apps without having to keep Alt pressed. Press keys once, then use Arrow keys and Enter to select Window/App.
+Tab and +Shift+Tab	Same as Alt+Tab, but only includes Apps only, not Windows on Desktop
Ctrl++Tab, then Arrow keys	Same as Ctrl+Alt+Tab, but only includes Apps, not Desktop Windows

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4. Power User Commands Shortcuts

These are also listed in the Power User Command Window. Sorted by their (subjective) importance.
+X, P	Control Panel
+X, T	Task Manager
+X, E	File Explorer (alternative: +e)
+X, R	Run (alternative: +r)
+X, D	Desktop (alternative: +d)
+X, F	Programs and Features
+X, C	Command Prompt
+X, A	Elevated Command Prompt (Admin)
+X, Y	System Information
+X, M	Device Manager
+X, G	Computer Management
+X, B	Mobility Center
+X, O	Power Options
+X, V	Event Viewer
+X, K	Disk Management
+X, S	Search

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5. Managing Windows 8 Desktop Windows

	Go to desktop / switch between Desktop and Start Screen or Apps
+Arrow Up	Maximize Window across screen
+Arrow Down	Minimize Window (if Restored) or set Window to Restored (if Maximized)
+Shift+Arrow Up	Maximixe Window vertically
+Arrow Right/Arrow Left	Move Window to left/center/right. Works across multiple monitors
+Shift+Arrow Right/ Arrow Left"	Move window to left monitor / to right monitor when using multiple monitors
Alt+Space	Opens the title bar menu
F11	Turn full page view on or off
Alt+Q	Close Window

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6. Windows 8 Taskbar

+T	Go to first item in Taskbar, continue with arrow keys
+B	Go to first item in System Tray
Shift+click on a taskbar item	Start new instance of Taskbar item
Ctrl+Shift+click on a taskbar item	Start new instance of Taskbar item as administrator
Shift+right-click on a taskbar item	Show the window menu for the program
+1...9	Switch to application in position N on Taskbar (or launch pinned application)
Shift++1...9	Start new instance of taskbar item in position N on Taskbar
Unfortunately, Microsoft removed the possibility to select multiple taskbar items in Windows 7 (and did still not re-introduce in Windows 8)

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7. Navigating Desktop

Arrow Keys	Navigate between and select single icons on desktop (when focus is on the desktop)
Home/End	Select first / select last object on desktop
Enter	Launch active object
Shift+F10	Activate context menu of active icon by simulates right mouse button. Once in the context menu use arrow keys, a-z and enter to select item
Tab, Shift+Tab on empty desktop	Navigate between desktop, the quick-launch bar, task bar and notification bar. Then use arrow keys and enter or space to activate specific icons
A, B, C, ...	Pressing the initial letter of the name of any objects will highlight the respective application or folder. Continue typing the object name if multiple objects start with the same letter

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8. Windows Explorer▲ TOP

9. The Rest

+U	Open Ease of Access Center
+P	Projector or second screen settings.
Alt+Shift	Change keyboard language layout if multiple language layouts are active*