QuickTime 7 makes the future of video crystal clear with new features including user-friendly controls and pristine H.264 video. Upgrade to QuickTime 7 Pro and capture your own movies, then share them with friends and family via email or .Mac.
http://www.apple.com/macosx/features/quicktime/
QuickTime 7 features a state-of-the-art video codec called H.264, which delivers stunning quality at remarkably low data rates. Ratified as part of the MPEG-4 standard (MPEG-4 Part 10), this ultra-efficient technology gives you excellent results across a broad range of bandwidths, from 3G for mobile devices to iChat AV for video conferencing to HD for broadcast and DVD.
http://www.apple.com/quicktime/technologies/h264/
The preview release of QuickTime 7 Player for Windows is available now as a free download from http://www.apple.com/quicktime/download/preview/.
QuickTime 7 Player for Mac
http://www.apple.com/quicktime/download/mac.html
QuickTime 7 Pro for Mac ($29.99)
http://www.apple.com/quicktime/pro/
QuickTime 7 Pro for Windows ($29.99)
http://www.apple.com/quicktime/buy/
Important Notes
* QuickTime 6 Pro registration codes will not work in QuickTime 7 for Windows Public Preview. You may purchase a QuickTime 7 Pro registration code from the Apple Online Store for use in this public preview. QuickTime 7 Pro for Windows registration codes purchased during the public preview period will continue to work in the final version of QuickTime 7 for Windows.
* Apple recommends that you use QuickTime 7 for Windows Public Preview only for testing purposes on non-essential systems. We do not recommend its use with other QuickTime-based applications, such as iTunes. The Public Preview is not supported by AppleCare.