You can download the update directly on your device through the Mac App Store or by using the following link:
Keep in mind that the application is only free with new Macs. Older device owners will still have to pay the full $14.99 price for iPhoto
iMovie for Mac version 10.0 has the following new features and improvements:
- All-new, streamlined design
- Share clips, movies, and trailers to iMovie Theater and watch them anywhere
- Video browsing mode with quick clip sharing
- Adjustments Bar for easy access to video and audio controls
- 16 new title styles
- 14 new trailer templates from iMovie for iOS
- Eight new movie themes from iMovie for iOS
- Use photos in trailers
- Plus button for quickly adding clips to your movie
- Trim video and audio clips directly in the timeline
- Simplified drag and drop for picture-in-picture, side-by-side, green screen, and audio-only effects
- One-click Enhance for video and audio
- Adjust shadows, highlights, and color temperature
- Match the color of two clips
- Ken Burns Effect for panorama photos
- Improved video stabilization
- Enhanced green screen and blue screen effect
- Volume-aware audio ducking
- Speed change controls in the timeline
- Add just a portion of a song from iTunes to your movie
- Email video clips and projects
- Sharing support for Youku and Tudou
- Import, analyze, and share clips in the background
- Native support for AVCHD video
- 64-bit support