Cmd and = on mac, Ctrl and = on pc.
Ctrl + C
F8
Press the windows key.
Ctrl+C is a keyboard shortcut for 'Copy'. Ctrl+V is the shortcut for 'Paste'. Ctrl+X does 'Cut', and Ctrl+Z does 'Undo'. Alt+Tab switches between windows.
Ctrl + V
Windows Key + Tab
crtl-c
Assuming your keyboard has a 'Windows Button' (usually bottom left between Ctrl & Alt) press that and 'L'....this will lock your workstation.
Windows key or Ctrl + Esc
ALT+TAB
The windows flag, on the bottom lower left side
Shift - F10