Go to the site. Click the Download tab. Do you see an option Download this file by viewing a series of ads (no registration required)? That will let you download for free (after they show you about 6 ads. just say no thanks to each)
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Not sure, but this option might only be available for residents of US. let me know...
hmm.. i only see two options:
Download this file for $2.99 (US) via PayPal (no registration required)
Download this file + many more with Premium Plus 1-Year Membership - New Special Discount Offer, only $14.95!