Yes. Windows 7, at 45%, is the most common operating system among Firefox users. Only 26% run Windows 10. https://metrics.mozilla.com/firefox-hardware-report/#

Yes. Windows 7, at 45%, is the most common operating system among Firefox users. Only 26% run Windows 10. https://metrics.mozilla.com/firefox-hardware-report/#goto-os-and-architecture https://metrics.mozilla.com/firefox-hardware-report/#goto-os...