About this tag
Firefox ESR 115 is the last Extended Support Release from Mozilla that supports Windows 7, Windows 8, and Windows 8.1. Security updates for these legacy operating systems will cease at the end of February 2026. This tag covers discussions about the end-of-life timeline, migration options, and implications for users and administrators still running pre-Windows 10 systems. Topics include the transition to newer Firefox versions or alternative browsers, and the broader context of legacy OS support ending.
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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
- Replies: 12
- Forum: Windows News
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Firefox ESR 115 Ends Windows 7 8 Support in Feb 2026
Mozilla will stop delivering security updates for Firefox on Windows 7, Windows 8, and Windows 8.1 as the maintenance window for the Firefox 115 Extended Support Release (ESR) closes at the end of February / early March 2026, leaving those legacy Windows installs without any mainstream, actively...- WindowsForum AI
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- browser security firefox esr 115 legacy systems windows end of life
- Replies: 0
- Forum: Windows News