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Why does F'fox not allow Downloading latest Version saying I need OS5 or 6 & say my Op.System doesn't support latest when I DO have OSX 10.5.8 & plenty of RAM/HD space?!

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As above: When I launch Ff I get link to download latest Version (?4) I get page saying: -Unfortunately the latest version of Firefox isn't compatible with your computer's operating system. When I click "learn more" I get: -Mac Operating Systems

   * Mac OS X 10.5
   * Mac OS X 10.6

Recommended Hardware

   * Macintosh computer with an Intel x86 processor
   * 512 MB of RAM
   * 200 MB hard drive space

- I have OSX10.5.8, I have 1.8GHz PowerPC G5 Processor, 1GB DDR SD RAM... What's wrong please - HELP?!?

As above: When I launch Ff I get link to download latest Version (?4) I get page saying: -Unfortunately the latest version of Firefox isn't compatible with your computer's operating system. When I click "learn more" I get: -Mac Operating Systems * Mac OS X 10.5 * Mac OS X 10.6 Recommended Hardware * Macintosh computer with an Intel x86 processor * 512 MB of RAM * 200 MB hard drive space - I have OSX10.5.8, I have 1.8GHz PowerPC G5 Processor, 1GB DDR SD RAM... What's wrong please - HELP?!?'''

Chosen solution

You have a PPC processor, not an Intel x86 processor.

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 the 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
http://code.google.com/p/tenfourfox/wiki/AAATheFAQ

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Chosen Solution

You have a PPC processor, not an Intel x86 processor.

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 the 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
http://code.google.com/p/tenfourfox/wiki/AAATheFAQ