What are the key differences between ReactOS and Windows 7?

Compare ReactOS and Windows 7 side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are ReactOS and Windows 7 scored?

ReactOS has an AI score of 4.4/10 and Windows 7 has an AI score of 9.2/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

ReactOS vs Windows 7 2026 - Compared

ReactOS

Windows 7

WINNER Windows 7

Windows 7 edges ahead with a score of 9.2/10 compared to 4.4/10 for ReactOS. While both are highly rated in their respec...

ReactOS

4.42 Poor

Operating System Get ReactOS open_in_new

emoji_events WINNER

Windows 7 edges ahead with a score of 9.2/10 compared to 4.4/10 for ReactOS. While both are highly rated in their respective fields, Windows 7 demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Windows 7

verified Confidence: Low

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description Overview

ReactOS

ReactOS is an open-source, six-step microkernel operating system aiming to be binary compatible with Windows NT, allowing for the running of existing Windows applications and drivers on different hardware architectures.

Windows 7

Windows 7 was a widely adopted desktop operating system released by Microsoft in 2009, featuring a redesigned user interface and compatibility with a broad range of hardware and software applications until its end-of-life in January 2020.