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Test on Windows 7 Online

Test your website on Windows 7 with legacy and latest browsers. Perform compatibility testing across 5000+ browsers and devices directly from your PC—no setup or maintenance needed.

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Next Chapter TestMu AI

LambdaTest is now TestMu AI

The Next Chapter

Trusted by 2M+ users globally at

Microsoft
OpenAI
Nvidia
Boomi

"We have tripled our tests and are now executing tests in less than 2 hours with 78% Faster Test Execution"

Hrishi Potdar , Quality Engineering Architect

Boomi
GitHub
Best Egg

"We figured out a more efficient way to monitor system health and resolve failures earlier in lower environments."

Tenny , Engineering Operations Lead

Best Egg
Workday
Akamai
Louis Vuitton
NBCUniversal
City Furniture

"TestMu AI has significantly boosted our testing speed, is easy to implement, and provides exceptional support."

Nicholas Paulsen , Senior Quality Engineer

City Furniture
Cox
Transavia

"With 70% faster test execution, TestMu AI helped us achieve faster time-to-market and enhanced CX."

Daniel de Bruijn , Quality Assurance Automation Engineer

Transavia
Estée Lauder
TripAdvisor
Bohoo

Cross Browser Testing on Windows 7 Online

Test your website on Windows 7 browsers. Use cloud-based real machines to access Windows 7 with your favorite browser online from anywhere you can get online.

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Geolocation Testing On Windows 7

Test your website on virtual Windows 7 from the UK, covering 50+ countries like the USA, India, and Japan. Ideal for geo-targeting, blocking, and localization tests.

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...

2M+ Devs and QAs rely on TestMu AI

Deliver immersive digital experiences with Next-Generation Mobile Apps and Cross Browser Testing Cloud

Test Locally Hosted Website on Virtual Windows 7

Access Windows 7 machines online to test locally hosted pages. TestMu AI Tunnel securely connects your system for web automation testing with Appium.

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Automated Screenshots with a Click of a Button

TestMu AI’s automated screenshots ensure visual compatibility across 5000+ environments, including Windows 7. Choose configurations and schedule tests at your desired intervals.

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Integrated Native Developer Tools For Debugging

TestMu AI supports your preferred browser on Windows 7, offering native developer tools for seamless debugging and testing. Its DevTools integration enables smooth cross-platform code development.

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AI-Agentic Quality Engineering

Test AI agents such as chatbots and voice assistants to ensure efficiency, relevancy, and performance.More about Agent-to-Agent Testing

AI Agent Testing
Dashlane

50%

reduction in test execution time

“HyperExecute is a highly reliable test execution platform and has excellent customer support.”

Sagar Uday Kumar

Sr. Engineering Manager

Some love from our customers!

As Best Egg expanded its product offerings and entered new markets, we knew our old testing infrastructure couldn’t keep up.
With support from Tenny Agustin, our Engineering Operations Lead, we modernized our approach with @testmuai see more >

TestMu AI

Best Egg

Best Egg

best-egg

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Excited to Share My Learning Journey with Kane AI & Lambda Tool!
I'm pleased to announce that I've recently gained hands-on experience exploring Kane AI through the Lambda Tool and it’s been a fantastic journey of upskilling!see more >

KaneAI

Suryateja Goud

Suryateja Goud

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microsoft

See how @testmuai is #Futureready to enable blazing-fast test orchestration seamlessly integrated with organizations' existing CI/CD platforms, using #Microsoft Azure.

TestMu AI

Microsoft India

Microsoft India

MicrosoftIndia

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More Reasons to Love TestMu AI

Gartner’s Magic Quadrant 2025

Recognized in Gartner's Magic Quadrant 2025 as a Challenger for strong customer experience.

Forrester’s Autonomous Testing Platforms Q3 2025

Featured in Forrester's Autonomous Testing Platforms Landscape, Q3 2025 for innovation in AI-driven testing.

Wall of Fame

TestMu AI is #1 choice for SMBs and Enterprises across the globe.

Enterprise-Grade Security

We safeguard your data and AI systems with global security, privacy, responsible AI, and ESG standards.

Integrations

Works where you work, 120+ integrations with the tools your team relies on.

Users

2.5M+

Tests

1.5B+

Enterprises

18K+

Countries

132

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TestMu AI forEnterprise

Get access to solutions built on Enterprise
grade security, privacy, & compliance

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