From your Help & Support Center
search for print screen
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To make a copy of the active window
left-click blank area inside the window.
Hold down ALT + press PRINT SCREEN key.
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To copy the "entire" screen as it appears on your
monitor press PRINT SCREEN.
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Note
Paste the image into a document use any of these:
Paint...
Wordpad...
Office Word...
Works Word...
right-click to Paste.