Apple has been supplying today retreaded operating system from Mac OS 10.4. Among many innovations, such as Core Video, improved OpenGL implementation, speed increase, new meta-data search, etc. will also be a new version of Quicktime 7 offered. This is also a separate download for older operating system versions. Quicktime 7 is replaced by the H.264 codec, which is much more efficient video encoding allows than previous Quicktime codecs. H.264 is already coming as a standard codec for HDTV has been ratified and is regarded as an alternative to Microsoft's VC1. Quicktime 7 also provides direct capture for video, multi-track audio support for and more. Users of Pro versions have a Quicktime Pro license. The installation of Quicktime 7 Quicktime dated from the previous - so be careful when using a Pro version. more infos at bei www.apple.com