This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

downloaded firefox 7, won't work on my computer, need to be able to redownload 3.6

  • 2 replies
  • 39 have this problem
  • 1 view
  • Last reply by James

more options

I downloaded firefox 7 and drug to my applications folder on my mac powerbook g4 running os 10.5.8. Firefox won't open as it says it is not supported by this architecture. How can i get my old version of firefox 3.6 back and installed? Can't find it on your website. Please send me a link to download. Thank You

I downloaded firefox 7 and drug to my applications folder on my mac powerbook g4 running os 10.5.8. Firefox won't open as it says it is not supported by this architecture. How can i get my old version of firefox 3.6 back and installed? Can't find it on your website. Please send me a link to download. Thank You

All Replies (2)

more options

Firefox 4 and later versions don't support PPC Macs.

For older Macs that aren't supported in Firefox 4 / 5 / 6, try TenFourFox for PowerPC's running Mac 10.4.11 & 10.5.8 .
http://www.floodgap.com/software/tenfourfox/
http://code.google.com/p/tenfourfox/downloads/list

Firefox 3.6.x is available here, and still supported by Mozilla (probably until March 2012).
http://www.mozilla.com/en-US/firefox/all-older.html

more options