Postscript: The usual is not said. Used in Win7 and above system is better.
F11 Browser Hide Border
F12 editing Excel or Word document, "Save as"
Shift + Right button to open cmd under current file
Shift + Left button to open a new file
CTRL + W close the current window
CTRL + SHIFT + N Create a new folder
CTRL + TAB moves on tabs (+shift reverse)
CTRL + Z undo the action of the previous step
Ctrl + Y Redo Undo
CTRL + SHIFT + Left button open with administrator status
CTRL + SHIFT + ESC to quickly open Windows Task Manager
Win + M minimizes all windows (+shift restore)
Win + L Lock pc
Win + R opens the Run dialog box
Win + arrow keys ↑ maximized window
Win + arrow key ↓ minimized window
Win + arrow key ← Maximize the window to the left of the screen
Win + arrow keys → maximize the window to the right of the screen
Win + Home shrinks other windows outside the current window
ALT + Double-click or enter to view the properties of an item
ALT + Drag a file to create a shortcut
Home go to the top of the current window
End to the bottom of the current window
Windows shortcut keys that might be cool to use