
Test on Windows 7 Online
Run your website on real Windows 7 machines in your browser. Check cross-browser compatibility on legacy and latest browsers, with no emulator, VM, or local setup.

Automate Browser Flows from your
Terminal with Kane CLI
Trusted by 2M+ users globally at
"We have tripled our tests and are now executing tests in less than 2 hours with 78% Faster Test Execution"
"We figured out a more efficient way to monitor system health and resolve failures earlier in lower environments."
"TestMu AI has significantly boosted our testing speed, is easy to implement, and provides exceptional support."
"With 70% faster test execution, TestMu AI helped us achieve faster time-to-market and enhanced CX."
Everything You Need to Test on Windows 7 Online
Run cross-browser testing, automated screenshots, local testing, and live debugging on real Windows 7, all from your browser.
LIVE BROWSER ACCESS
Cross Browser Testing on Windows 7 Online
Test your website on real Windows 7 browsers in the cloud. Run legacy and latest browser versions, straight from your own machine.
Get Started For Free- Test Chrome, Firefox, Edge, IE 8 to 11, Opera, and Yandex on Windows 7.
- Switch between Windows versions mid-session, no reconfiguration.
- Part of 3,000+ browser and OS combinations on the cloud.
VISUAL COVERAGE
Automated Screenshots on Windows 7
Capture full-page screenshots across Windows 7 browsers in a single run. Schedule visual checks and compare rendering across configurations.
Get Started For Free- One click captures screenshots across multiple browsers.
- Schedule automated screenshot runs at set intervals.
- Catch visual regressions on legacy Windows 7 browsers.
TUNNEL TESTING
Test Locally Hosted Sites on Windows 7
Test localhost and staging sites on real Windows 7 browsers before they go live, using TestMu AI Tunnel, no public URL required.
Get Started For Free- Route localhost into any Windows 7 browser session.
- Works with self-signed SSL certs, no security errors.
- Validate pre-deployment builds on Windows 7 browsers.
IN-SESSION DEBUGGING
Native DevTools Debugging on Windows 7
Debug faster with native developer tools in every Windows 7 browser session. Inspect failures, test fixes live, and ship with confidence.
Get Started For Free- Use native browser DevTools in every Windows 7 session.
- Inspect the DOM, network, and console live.
- Reproduce and fix Windows-7-only rendering bugs.
Built-in Tools for Every Windows 7 Session
IP Geolocation
Test how your website behaves across regions. Simulate geolocation from 50+ countries on real Windows 7 browsers for geo-targeting and localization checks.
Network Throttling
Simulate 2G, 3G, 4G, and 5G conditions on Windows 7 browsers to catch slow-loading and timeout bugs before your users hit them.
Test Evidence & Logs
Every Windows 7 session captures a video recording, network logs in HAR format, and screenshots, shareable by link so your team can replay and reproduce any bug.

Success Stories of TestMu AI (Formerly LambdaTest)
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
TestMu AI

Best Egg
best-egg
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!
KaneAI

Suryateja Goud
suryateja-goud
See how is #Futureready to enable blazing-fast test orchestration seamlessly integrated with organizations' existing CI/CD platforms, using #Microsoft Azure.
TestMu AI

Microsoft India
MicrosoftIndia
More Reasons to LoveTestMu AI (formerly LambdaTest)
See how TestMu AI speeds up your testing with AI-native authoring, faster execution, and deeper test insights across web, mobile, and AI applications.
TestMu AI Named a Challenger in the 2025 Gartner® Magic Quadrant™
Read ReportTestMu AI recognized in The Forrester Wave™: Autonomous Testing Platforms, Q4 2025
Read ReportWall of Fame
TestMu AI is #1 choice for SMBs and Enterprises across the globe.
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Works where you work, 120+ integrations with the tools your team relies on.
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