#Windows

Ctrl+Left arrow move the cursor to the previous word
Ctrl+Right arrow move the cursor to the next word
Ctrl+Delete or Ctrl+Backspace delete words instead of characters
Shift+Click or middle click on task bar starts a new instance of the application
Ctrl+Shift+Click on task bar starts a new instance of the application as administrator
Ctrl+Shift+Enter in the start menu start the application as administrator
Win+# (1,2,3, etc.) opens the application at the # position in the taskbar
Win+Shift+# (1,2,3, etc.) opens a new instance of the application at the # position in the taskbar
Ctrl+Win+Shift+# (1,2,3, etc.) opens a new instance as administrator of the application at the # position in the taskbar
Win+Home minimize all background applications
Win+I opens the settings
Win+A opens the action bar
Win+Left arrow or Win+Right arrow snap the current windows to the left or right
Win+Shift+Left arrow or Win+Shift+Right arrow move the current windows to the other screen (require multiple screen)
Ctrl+Win+Left arrow or Ctrl+Win+Right arrow change the current desktop
Ctrl+C in an message box copies the content of the message box to the clipboard
Ctrl+Shift+Escape opens the Task Manager
Win+Shift+S starts the screen capture and put the screenshot in the clipboard
Win+. or Win+; opens the emoji keyboard
Win+E opens the explorer
Win+T focus the taskbar
Win+X opens the power-user tool menu
Win+S Cortana search
Win+M minimizes all opened windows
Win+Shift+M restores all minimized windows
Win+L locks the session
Win+I opens the settings
Win+V opens the clipboard history

#Visual Studio

Ctrl+L cut the current line
Ctrl+K,D formats the current file
Ctrl+Alt+Left arrow move the cursor to the previous subword
Ctrl+Alt+Right arrow move the cursor to the next subword
F2 rename the current symbol
Ctrl+Shift+B build the current solution

#PowerShell

CTRL+R searches in history commands

#Microsoft Outlook

CTRL+K checks names