why I can't install Firefox 5 on my Power PC G4 Powerbook running Mac OS 10.5.8

I have a 1 GHz Power Book 17 "G4 under OS 10.5.8, 256 KB of L2 cache. 1 MB of L3 cache. 1 GB of DDR SDRAM with 13,78 GB available on the hard disk, and I'm unable to install Firefox 5. I managed to download the app but when I tried to install it, the message came that "cannot open the application"Firefox"because it is not supported on this architecture". However, when I checked the configuration required before downloading the application requirements have been met-

Operating systems

   * Mac OS X 10.4 or later

Minimum hardware requirements

   * Macintosh computer with an Intel x86 or PowerPC G3, G4, or G5 processor
   * 128 MB RAM (Recommended: 256 MB RAM or greater)
   * 200 MB hard drive space

You can provide any assistance is greatly appreciated.
Thank you
Pat Tamaras

These system requirements that you mentioned are for Firefox 3.6. * and earlier versions.
http://www.Mozilla.com/en-us/Firefox/3.6/system-requirements/

You can get the builds of third tenfourfox to http://code.google.com/p/tenfourfox/

Your best bet is built Firefox 5.0. The 4.0.2/4.0.3 of the versions are not based on versions of Mozilla was 4.0.1 and the generation of test 6.0b1 is old as the 6.0b5 is underway.

Tags: Firefox

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