Mozilla Corporation already released 3 beta versions of Firefox 5.0. On 12th April 2011 First Firefox 5.0 alpha released. But unfortunately this version is No longer available. On 7th May 2011, First Firefox 5.0 beta released to public. Officially its First Firefox 5.0 beta version. Later version of Firefox 5.0 beta released to public on 1st June 2011. This is Second & Current beta version of Firefox 5.0.
Check this Screenshot:
Download Second & Current beta version of Firefox 5.0:
-Firefox v5.0b2 [For Windows]
-Firefox V5.0b2[For Mac]
-Firefox V5.0b2[For Linux]