Browser and OS Currency Check
A free currency check that judges, not just reports. It detects your browser and Windows build, compares them against a known-current baseline that ships inside this page, and tells you plainly whether each is current, an update behind, or END OF LIFE. An out-of-date browser or an unsupported Windows build is a security liability; this gives you the screenshot-to-IT verdict to prove it.
Read the Currency Check guide for how the verdict is decided and how to update each browser and Windows.
Configuration
Takes about 2 seconds. Runs entirely client-side; no requests leave your browser.
Diagnostic complete
Detect browser and operating system
Reading the browser brand, full version, engine, and the Windows 10/11 build.
Compare against the known-current baseline
Showing both the detected version and the baseline it is measured against.
Currency verdict
Deciding current, update available, or END OF LIFE for each component.