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Old Versions of Firefox
Download Old Versions of FirefoxFirefox Releases
Current- 3.6.22 - September 6th
- 6.0.2 - September 6th
- 6.0.1 Mobile - August 30th
- 7.0 Beta 1 - August 18th
- 8.0 Aurora - August 19th
Upcoming
- 3.6.23 - September 27th
- 7.0 Final - September 27th
- 8.0 Beta - September 27th*
- 9.0 Aurora - September 27th*
* Dates for Aurora and Beta builds are for the code merge. Actual release date is around 1-7 days after the merge. More Info- 3.6.22 - September 6th
Firefox Developmental Channels
- Nightly -- Firefox 9
- Aurora -- Firefox 8
- Beta -- Firefox 7
- Release -- Firefox 6.0
Get Developmental Builds - Nightly -- Firefox 9
Daily Archives: August 20, 2025
Tip: Unexpected installation error -203 (Add-ons)
I’ve been seeing several forum members on Go Firefox! getting the error: Unexpected installation error -203 When attempting to install extensions and/or themes. In most cases these members have recently upgraded from Firefox 2 to Firefox 3 on the same … Continue reading
Posted in Add-ons, Firefox, Fx 2.0, Fx 3.0, Go Firefox!, Tips & Tweaks
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