紧随着 iTunes 7.6.0.29 的更新还有 Quicktime 7.4.0.91，已经提供全新的 H.264 解码，和性能上的改善：

New features in QuickTime 7 Player for Windows:
- H.264 video playback. Watch movies created with this state-of-the-art, standards-based codec, which delivers exceptional-quality video.
- Surround sound. With QuickTime 7, your PC, and surround speakers, you can enjoy the full effect of your surround sound game or movie.
- New and improved playback controls. Easily change settings including jog shuttle, playback speed, bass, treble, and balance.
- Zero-configuration streaming. QuickTime automatically determines your optimal Internet connection speed and reconnects dropped connections.
- Live resize. Playback continues smoothly as you change the size of the QuickTime Player window

New features in QuickTime 7 Pro for Windows:
- Create H.264 video. Create incredible-looking video for any use, from 3G for mobile devices to HD.
- Create surround audio. Create a rich multimedia experience by adding multichannel audio to your movie.
- Floating controls. Easily access functions like pause, play, fast-forward, and rewind while watching full-screen movies.
- Background exporting. Export your movie in the background and continue with your next playback or editing task.
- Improved movie authoring. The all-new Movie Properties facilitates simple and efficient movie authoring.
Automate with VB Script. Automate your QuickTime workflow with native VB Script support in QuickTime 7. Developers can also use VB Script to access the new QuickTime Active X control for creating custom multimedia applications.

下载：
- QuickTime 7.4 for Windows
- QuickTime 7.4 for Panther
- QuickTime 7.4 for Tiger
- QuickTime 7.4 for Leopard