Reinstalling operating system on computer with Mathematica for Sites

Questions
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1

Hello,

I have a Linux laptop with Mathematica 9.0.1 from my university (Utrecht University). I want to install a new version of the operating system on the same computer.
Can I reinstall Mathematica and use the same license key, or are any other steps required like uninstalling Mathematica first on the old system?

2

If it’s a new OS, you probably have to get your activation key reactivated. For all purposes, it’s as if you were moving Mathematica to a new machine.

See this article which provides a link to a form which will help you through this quickly.
http://support.wolfram.com/kb/717

Otherwise, if you run into issues contact Wolfram Customer Support
https://www.wolfram.com/support/contact/

3

Thank you for your reply.
For the moment I still need Mathematica for school, to avoid problems with activation I will postpone reinstalling the OS until that project is finished (tomorrow, hopefully).