Hot keys is a very simple thing but very essential
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Hot keys on Windows
Ctrl + A; Select all content.
Ctrl + C; (or Ctrl + Insert) Copy selected items to clipboard.
Ctrl + X; Cut selected items to clipboard.
Ctrl + V; (or Shift + Insert) Paste content from clipboard.
Ctrl + Z; Undo an action, including undelete files (limited).
Ctrl + Y; Redo an action.
Ctrl + Shift + N; Create new folder on desktop or File Explorer.
Alt + F4; Close active window. (If no active window present, then shutdown box appears.)
Ctrl + D (Del); Delete selected item to the Recycle Bin.
Shift + Delete; Delete selected item permanently skipping Recycle Bin.
F2; Rename selected item.
Alt + Tab; Switch between open apps.
PrtScn; Take screenshot and stores it in clipboard.
Windows key + E; Open File Explorer.
Windows key + Shift + S; Capture part of the screen with Snip & Sketch.
Windows key + Left arrow key; Snap app or window left.
Windows key + Right arrow key; Snap app or window right.