Here is the complete list of Windows 8 keyboard shortcuts that will help you faster access to various items on Windows 8 machines.
Windows Logo Key – Start Screen (Metro)
Windows + C – Opens Charms
Windows + D – Shows desktop
Windows + E – Opens Windows Explorer
Windows + F – Opens File Search in Charm mode
Windows + F + CTRL – Find Computers on a Network (applies to AD)
Windows + H – Share Charm
Windows + I – Settings Charm
Windows + K – Devices Charm
Windows + L – Switch Users (locks the system if the machine is part of a domain)
Windows + M – Minimizes all Windows (desktop mode)
Windows + N – Opens new One Note side note (if applies)
Windows + O – Lock screen orientation
Windows + P – Projection Options
Windows + Q – Search Charm
Windows + R – Run
Windows + T – Sets focus on taskbar and allows you to cycle through running desktop apps
Windows + U – Ease of Access
Windows + W – Settings of the Search Charm
Windows + X – Opens Quick Links for power user commands (Also opens Windows Mobility Center if available)
Windows + Z – Opens App bar
Windows + 1-9 – Focuses on the app in the taskbar at the given position
Windows + + – Zoom in (Magnifier)
Windows + – – Zoom out (Magnifier)
Windows + , – Peeks at the desktop
Windows + . – Snap a metro app to the right
Windows + . + SHIFT – Snap a metro app to the left
Windows +Enter – Opens Narrator
Windows + Enter + Alt – Opens Windows Media Center if installed
Windows + Space – Switch input language and keyboard layout
Windows + Tab – Cycle through metro apps history (CTRL to use arrow keys)
Windows + ESC – Exit Magnifier
Windows + Home – Minimizes non-active desktop windows
Windows + PageUp – Moves the Start Screen to left monitor
Windows + PageDown – Moves the Start Screen to right monitor
Windows + Break – Opens System Properties
Windows + Left Arrow – Snap desktop window to the left
Windows + Left Arrow + SHIFT – Snap desktop window to left monitor
Windows + Right Arrow – Snap desktop window to the right
Windows + Right Arrow + SHIFT – Snap desktop window to right monitor
Windows + Up Arrow – Maximize desktop window
Windows + Up Arrow + SHIFT – Maximize desktop window (keeps width)
Windows + Down Arrow – Restores/Minimizes the desktop window
Windows + Down Arrow + SHIFT – Restores/Minimizes the desktop window (keeps width)
Windows + F1 – Windows Help and Support
CTRL + Mouse Wheel – Desktop: Change size of icons; Start Screen: Zoom in/out
CTRL + A – Select all
CTRL + C – Copy
CTRL + E – Selects the Search Box (Explorer)
CTRL + N – New Window (Explorer)
CTRL + R – Refresh
CTRL + V – Paste
CTRL + W – Closes current window (Explorer)
CTRL + X – Cut
CTRL + Y – Redo
CTRL + Z – Undo
CTRL + ESC – Start Screen
CTRL + Insert – Copy
CTRL + Left Arrow – Previous word
CTRL + Right arrow – Next word
CTRL + Up Arrow – Previous paragraph
CTRL + Down Arrow – Next paragraph
CTRL + F4 – Closes active document
Alt + D – Selects address bar (Explorer)
Alt + Enter – Properties
Alt + Space – Shortcut menu
Alt + Tab – Switch between apps
Alt + Left Arrow – Previous folder (Explorer)
Alt + Up Arrow – Goes up one level (Explorer)
Alt + F4 – Closes active item or application
SHIFT – Hold for 8 seconds for Filter Keys or click fast 5 times for Sticky Keys
SHIFT + TAB – Moves backward through options
SHIFT + INSERT – Paste
CTRL + SHIFT + N – New Folder (Explorer)
CTRL + SHIFT + ESC – Task Manager
CTRL + SHIFT + Arrows – Selects a block of text
CTRL + ALT + D – Docked mode (Magnifier)
CTRL + ALT + I – Invert colors (Magnifier)
CTRL + ALT + L – Lens mode (Magnifier)
CTRL + ALT + TAB – Switch between apps using arrow keys
ALT + SHIFT – Left ALT+LEFT SHIFT+PRINT SCRN – High Contrast
ALT + SHIFT – Left ALT+LEFT SHIFT+Num Lock – Mouse Keys