I believe on their site you can download it to your desktop BUT it's only MAC OS :(

If you figure out how to download the web version for use offline, I'd be greatful.

Dell XPS M1730
Intel Core 2 Duo T9500 2.6Ghz
500GB (2x 250GB) RAID 1 Sata HDD
4GB RAM
Nvidia GeForce 9800M GTX SLI