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Hello Eveyone.

My Windows 10 got crashed where I was using my zemax license. So as I reinstall windows in my pc, I lost my zemax software. And again I install zemax again but my older license is not working this time. What should I do to activate my zemax?

This post is now closed as it was handled in a private support case. For more information on what to do if your license is lost, see our License Policies page