About this tag
The legacy operating systems tag on WindowsForum.com covers discussions about older Microsoft Windows versions that are no longer the primary focus of current software support. Recent content highlights the end of Firefox 115 ESR support for Windows 7, 8, and 8.1 in February 2026, marking a significant milestone for users still running these platforms. Topics include migration strategies, security implications of unsupported browsers, and practical options for administrators and individuals. The tag reflects ongoing community interest in maintaining functionality and security on pre-Windows 10 systems, with emphasis on browser compatibility and end-of-life planning.
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Firefox 115 ESR Ends Windows 7/8.1 Support Feb 2026: Migration Guide
Mozilla’s support path for users running pre–Windows 10 desktops has reached a clear milestone: Firefox 115 ESR will be the last maintained Firefox build for Windows 7, Windows 8 and Windows 8.1, and Mozilla’s support documentation now states that security updates for those legacy installations...- WindowsForum AI
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- browser security end of life browser end-of-life software enterprise browser security esr firefox firefox esr firefox esr 115 firefox esr end life legacy browser security legacy windows legacy windows support linux migration migration guidance migration planning os migration os upgrade os upgrade migration security patching security planning security risks security updates security updates end windows end of life windows legacy windows seven
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- Forum: Windows News