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switching from free licence to commercial licence without re-installing everything?



  • With Qt and qtcreator: is it possible to start using commercial development licences without reinstalling everything on every computer?

    We need to switch Qt to commercial development (paying) licences on our professional computers, when so far, I was working on Open Source projects with my own personal (free) licence.

    Shall I need to reinstall EVERYTHING on every computer that will be used for these commercial developments?

    Or is there a simple way to switch to another Qt account without re-installing everything?


  • Lifetime Qt Champion

    Simply copying the license file to the correct directory (don't know which though) should be enough. The Qt source and binaries are the same.



  • @JL-SABATIER said in switching from free licence to commercial licence without re-installing everything?:

    With Qt and qtcreator: is it possible to start using commercial development licences without reinstalling everything on every computer?

    We need to switch Qt to commercial development (paying) licences on our professional computers, when so far, I was working on Open Source projects with my own personal (free) licence.

    Shall I need to reinstall EVERYTHING on every computer that will be used for these commercial developments?

    Or is there a simple way to switch to another Qt account without re-installing everything?

    Those quesstions should be asked the commercial help line. You are entitled to this, because you are paying.

    AFAIK at least in past there was a requirement that you cannot simply switch from open source to commercial license within your projects. The formulation read a bit like you have to start all over again. That was when the company still was called Trolltech

    [edited koahnig]


  • Moderators

    @koahnig said in switching from free licence to commercial licence without re-installing everything?:

    AFAIK at least in past there was a requirement that you cannot simply switch from open source to commercial license with your projects. The formulation read a bit like you have to start all over again.

    I thought that was about switching in the middle of a project?

    It should be fine if you finish all existing open-source projects on a PC, switch licenses, and then start a new commercial project.



  • @JKSH

    Yes, probably I should have been more careful in formulating. Corrected above "with" to "within".

    Personally I found the requirement a bit odd. As long as you did not have anything published nobofy would have known anyhow.

    I guess the requirement is gone since we have an LGPL.



  • Thank you very much for your insights. So, I'll finish my open source projects and will dedicate this laptop for developing the commercial applications, starting after switching to a commercial licence. This should follow the rules as far as I understand. Thanks again!


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