While it looks like it should work, the downloadable Mac software requires a serial number that isn't included with the product. I tried several times to contact Orion support and one day they promised me a serial number but after a week there was nothing. They don't reply to my emails so I returned the product. It *may* work on Windows, but without a serial number it won't work on a Mac. You can purchase the same product from other vendors that support you.
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