Movie Maker versions 1 and 2 are more self-contained applications than the software app teams of Vista and Windows 7. With a camcorder driver installed, MM1 and MM2 can be used in the Windows 7 environment.to get video from a mini-DV camcorder connected by firewire.
MM6 and the newest Windows Live Movie Maker are more like key players on a team, not stand-alone stars. The Vista team with MM6 uses a CaptureWizard which doesn't work in the Windows 7 environment, while the Windows Live team uses the WLXVideoAcquireWizard in the Photo Gallery folder, something designed to work in Windows 7 (and Vista).
I have more than enough ways to get my mini-DV camcorder tape footage into Windows 7. As my camcorder supports 'pass-thru', analog video sources connected to the camcorder with RCA and S-video cables are converted to DV by the camcorder.
I used a mini-DV camcorder and DV-AVI files to illustrate the process. Having WMV files created instead of DV-AVI is an option with each tool.
The next article in this series will look at the features available in these 5 versions of Movie Maker to create and edit movie projects.