Thunderbird 78 is our newest ESR (extended-support release), which comes out yearly and is considered the latest stable release. Right now you can download the newest version from our website, and existing users will be automatically updated in the near Continue reading. July 7, 2020 COMMENTS 62 Thunderbird’s New Home. Click Download Firefox. Note: If you want to have a choice of the language for your Firefox installation, click the Download options and other languages link instead. Once the download has completed, the file (Firefox.dmg) may open by itself and pop open a Finder window containing the Firefox application.
Windows 2000
Windows XP
Windows Server 2003
Windows Vista
Windows 7
Please note that while the 32-bit and 64-bit versions of Windows Vistaand Windows 7 can be used to run Firefox 5, only 32-bit builds of Firefox 5 aresupported at this time.