How to renew a license in Nulumia?

[PracticalBot]

Hello, months ago I abandoned a forum, today I come back and I'm going to update my version of Xenforo, I use a Nulumia style (Sport Talk - Responsive Xenforo 2 Sports) and I also want to update it, but my license expired and I need to renew it.
Does anyone know how to renew the license? I already looked in the My License options, My profile, in the forums, everywhere in

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and I can't find the way to renew my license to download the latest update of my style...

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