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

am unable to update latest firefox...have mac OS X 10.5.8, 1GHz PowerPC G4 Processor, 512 MB SDRAM...why can't I update?

more options

I am unable to update firefox 4...have mac OS X10.5.8, 1 GHz PowerPC G4, 512 MB SDRAM...why can't I update?

I am unable to update firefox 4...have mac OS X10.5.8, 1 GHz PowerPC G4, 512 MB SDRAM...why can't I update?

All Replies (1)

more options

Firefox 3.6.x is the last available from Mozilla for PPC Macs.
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/
https://code.google.com/p/tenfourfox/wiki/PluginsNoLongerSupported