Plus QA

OS Platform Statistics:
Windows XP => 73.3%
Windows Vista => 8.8%
Windows 2000 => 3.3%
Windows 2003 => 1.9%
Windows 98 => 0.5%
Linux => 3.7%
Mac => 4.6%

Browsers Statistics:
IE7 => 24.9%
E6 => 28.9%
IE5 => 1.0%
Firefox => 39.1%
Mozilla: 1%
Safari => 2.2%
Opera => 1.4%

Firefox 3 Release Candidate is now available in more than 45 languages.
Go get it: http://www.mozilla.com/en-US/firefox/all-beta.html

OS Platform Statistics:
Windows XP => 72.6%
Windows Vista => 8.4%
Windows 2000 => 3.7%
Windows 2003 => 1.9%
Windows 98 => 1.1%
Linux => 3.9%
Mac => 4.4%

Browsers Statistics:
IE7 => 21.9%
E6 => 30.1%
IE5 => 1.1%
Firefox => 37%
Mozilla: 1.1%
Safari => 2.1%
Opera => 1.4%

Source: http://www.w3schools.com/

Yes I know I am a bit late, however Apple has released a new version of Safari for Mac and Windows.
Click here to get it!