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legacy windows support
About this tag
Legacy Windows support refers to the continued maintenance and security updates for older Microsoft operating systems such as Windows 7, Windows 8, and Windows 8.1, which are no longer receiving official updates from Microsoft. Discussions on this tag focus on the end-of-life timeline for third-party software like Firefox 115 ESR, which will stop providing security patches for these legacy systems by February 2026. Users and administrators are advised to plan migrations to modern browsers or operating systems to maintain security. The tag covers practical migration options and the implications of running unsupported software on outdated platforms.
Mozilla has confirmed that Firefox 115 ESR will be the last supported release for Windows 7, Windows 8 and Windows 8.1, with security updates for that branch scheduled only through the end of February 2026 — after which machines running those legacy operating systems will no longer receive...
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...
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 operating systems
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linux migration
migration guidance
migration options
migration planning
operating system migration
os migration
os upgrade
os upgrade migration
security patching
security planning
security risks
security updates
security updates end
windows end of life
windowslegacywindows seven