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as far as I know, the easiest way would be to buy quicktime pro. you can then save the video by clicking on the triangle on the bottom right.
 
If you have the video on 8mm tape, you'd have much better quality capturing from the tape than you would from the compressed web video.

-DH
 
Wait 'till it's fully loaded and with Quicktime Pro (worth every penny) click the drop-down menu on the right and 'save as quicktime movie.'
 
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