No software required download of Vimeo videos - all you need is a browser.
- Navigate to a URL like this: http://www.vimeo.com/moogaloop/load/clip:${nodeId}, where ${nodeId} is the Vimeo video id
- You will get an XML file. Scroll to the bottom to find the request_signature and request_signature_expires values
- Navigate to a URL like this: http://www.vimeo.com/moogaloop/play/clip:${nodeId}/${request_signature}/${request_signature_expires}
- Use the browser's "Save As" function to save the video.