Microsoft Windows is the great invention of:

A. Red Clintton
B. Paul Allen
C. Bill Gates
D. Both B & C

🧠 Explanation:

Microsoft Windows, a major operating system, was co-developed by Bill Gates and Paul Allen through Microsoft. It revolutionized personal computing with its user-friendly interface. For tech or history students, Windows’ impact highlights its role in shaping digital technology, making it a key topic for studying software development, computing history, and technological innovation.