Crossword Genius

Microsoft operating system (7)

Ross

I believe the answer is:

windows

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">microsoft operating system</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>

(Other definitions for windows that I've seen before include "openings" , "Microsoft operating system" , "Computer operating system with a graphical user interface" .)

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