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.

Avatar for Username

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

Èròjà atẹ̀lélànà yii ni a ti fi pamọ́ fọ́jọ́ pípẹ́. Jọ̀wọ́ béèrè ìbéèrè titun bí o bá nílò ìrànwọ́.

I'm running OS X 10.5.8 & Firefox says that my computer is not compatible with the most recent upgrade. What am I missing? Thanks!

  • 2 àwọn èsì
  • 34 ní àwọn ìṣòro yìí
  • 5 views
  • Èsì tí ó kẹ́hìn lọ́wọ́ the-edmeister

JASHoughton
JASHoughton
more options

I'm running OS X 10.5.8 & Firefox says that my computer is not compatible with the most recent upgrade. What am I missing? Thanks!

I'm running OS X 10.5.8 & Firefox says that my computer is not compatible with the most recent upgrade. What am I missing? Thanks!

All Replies (2)

Swarnava Sengupta
Swarnava Sengupta
  • Locale Leader
more options

Check system requirement

Firefox 8

the-edmeister
the-edmeister
  • Moderator
more options

The last version of Firefox which is compatible with PPC architecture is Firefox 3.6.x.
http://www.mozilla.com/en-US/firefox/all-older.html

For older Macs that aren't supported in Firefox 4+ versions, try TenFourFox for PowerPC's running Mac 10.4.11 & 10.5.8 .
http://www.floodgap.com/software/tenfourfox/

http://tenfourfox.blogspot.com/