For a keyboard user, using mouse is pain. So I have traced down some of the Metro hotkeys that helps one to navigate Windows 8, with no touch screen and no mouse (for most parts).
Charms
| Key |
Action |
Win + C |
Open Charms Bar |
Win + Q |
Open Search Charm |
Win + H |
Open Share Charm |
Win + K |
Open Devices Charm |
Win + I |
Open Settings Charm |
Search
| Key |
Action |
Win + Q |
Search Apps (or in apps) |
Win + W |
Search Settings |
Win + F |
Search Files |
Windows 8 Applications
| Key |
Action |
Win + Z |
Go to app options |
Win + . |
Snap app to the left |
Win + Shift + . |
Snap app to the right |
Ctrl + Tab |
Cycle through app history |
Win + Tab |
Open switch list |
Other
| Key |
Action |
Alt + F4 |
Close applications |
Win + X |
System utility menu |
Win + PrntScrn |
Take screenshot and save to Pictures |
Win + T |
Preview open windows in taskbar |
Win + U |
Open Ease of Access Center |
Win + ESC |
Start Screen |
Win + Enter |
Open Windows Narrator |
Win + L |
Lock the computer |
Win + O |
Toggles Auto-Rotate on / off |
Win + P |
Open projection option |
Source
