What’s difference between The Pro version and The core version of the software
This should tell you all you need to know 
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The Atomstack S10 uses a GCode-based controller, and needs LightBurn Core.
The Pro version is only needed if you also have a Galvo- or a DSP laser.
License issues
We’d need a little more details in order to help.
I see a valid Core License in your name.
It has expired for free updates, but can still be used with LightBurn version 1.6.03, available from here: Index of /LightBurn/Release/LightBurn-v1.6.03/
In order to use the latest version, you need to add another year of updates to your existing key using this page:
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