LEFT MOUSE BUTTON
Holding down the left mouse button whilst dragging a file or folder to a new location moves the dragged file or folder to that location.

SHIFT + LEFT MOUSE BUTTON
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Holding down the left mouse button and SHIFT key whilst dragging a file or folder to a new location moves the dragged file or folder to that location.
CTRL + LEFT MOUSE BUTTON
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Holding down the left mouse button and CTRL key whilst dragging a file or folder to a new location copies the dragged file or folder to that location.
ALT + LEFT MOUSE BUTTON
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Holding down the left mouse button and ALT key whilst dragging a file or folder to a new location creates a shortcut to the dragged file or folder in that location.
RIGHT MOUSE BUTTON
If you drag and drop a file whist holding down the right mouse key you will see a menu giving you the option to either Copy, Move or create a shortcut.
