Right-click (or ctrl-click on a Mac) and choose "Save File As" or
"Save Target As." Double-clicking and downloading from the pop-up causes an archive error for some users.
Standard Definition DVD (3.48 gigs)
High-Def 720p H.264 m4v (2.21 gigs) and 720p info file
Audio - FLAC (658MB) and FLAC info file
Audio - MP3 (320Kbps, 256MB) and MP3 info file
Need a RAR extractor? Try WinRar. There is a trial version.
I also like 7-Zip, which is free and open source.