How I can deactivate the student license code?

I activated the student licesne code in anolda computer. Nonetheless it was slow so I uninstalled it, now I am in another computer, that is more po.werful, but I cannot activate it
Answers
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License of type "node-lock" is linked to your hardware. When you change the hardware, you have to ask new license.
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HI,
Your previous license key activation is now deactivated in Altair one, you can now reactivate the student license with the same license key.
Deactivation and reactivation feature is only if a computer breaks down and is only allowed a few times per user.
You can deactivate the license from one machine and reactivate in another by yourself if you have access to both machines as per –
https://community.altair.com/discussion/34280/altair-student-edition-deactivate-from-one-computer-to-activate-in-another-in-the-rare-case-a-computer-is-lost-or-malfunctional#latest
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