Do I have to use Flexi & key with Lynx VE24?

I just got my Lynx 24 cutter back but with no software or USB key. Sign Warehouse tells me that the cheapest I can get back to cutting is to pay them $588 for a new key and a new Flexi Master software pack. I plan on doing my design & edit work in Corel X3. They say that the cutter won't cut without the usb key and flexi. Can someone please help me - I'm on a REALLY tight budget with this right now.
Thanks-

Location: 
United States

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