Moving hidden window back onto screen
Use the Windows moving technique -you can try this with a window you can see first.
Select the window that’s off screen
Options: Alt^Tab, hover over task bar, or Win^Tab
Alt^space to bring up the menu on the top-left corner of the window (you probably won’t see this)
Press M (for Move)
Press an arrow key
Now move the mouse; it will drag the window around
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