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There's been a fair bit of discussion about the dongle requirement among Clarion devs considering WinDev. It all seems a bit retro, given that Clarion 1.0 was dongled but hit the market as sentiment was turning against dongles. And the conventional wisdom is that the dongle almost killed Clarion in its infancy. On the other hand, the dongle doesn't seem to have hurt WinDev.
Just don't lose it.
IP-based hub
Brian Reid uses an IP-based USB hub so he can run WinDev from any of his machines. But expect to pay some serious $$ for this flexibility.
Insurance
Glenn Rathke points out that you may want to get your dongle(s) listed on your insurance policy to avoid having to paying for a full license in the event of loss.