Skip to content
  • Categories
  • Recent
  • Tags
  • Popular
  • Users
  • Groups
  • Search
  • Get Qt
  • Unsolved
Collapse
qtws26_logo

The Qt Event of the Year: Qt World Summit 2026

Save Your Spot >
Brand Logo
  1. Home
  2. Qt Development
  3. General and Desktop
  4. Can't use Qt Creator after trial period expired
Qt 6.12 LTS is out! See what's new in the release blog

Can't use Qt Creator after trial period expired

Scheduled Pinned Locked Moved Solved General and Desktop
7 Posts 4 Posters 1.2k Views 1 Watching
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • K Offline
    K Offline
    kitfox
    wrote on last edited by
    #1

    I'm using Qt Creator to work on an open an open source project. I did as fresh install of it and it started asking a buy a license whenever I started it. Now that the trial period has ended, I get a message saying such and then the program immediately exits. I had thought that no license was required for open source development. How do I activate Qt Creator?

    JonBJ 1 Reply Last reply
    0
    • K Offline
      K Offline
      kitfox
      wrote on last edited by
      #6

      I think I have this resolved. I'm not 100% sure, but I think I had to log into my account and check a box indicating I was using Qt for personal use.

      1 Reply Last reply
      1
      • K kitfox

        I'm using Qt Creator to work on an open an open source project. I did as fresh install of it and it started asking a buy a license whenever I started it. Now that the trial period has ended, I get a message saying such and then the program immediately exits. I had thought that no license was required for open source development. How do I activate Qt Creator?

        JonBJ Offline
        JonBJ Offline
        JonB
        wrote on last edited by JonB
        #2

        @kitfox
        "Trial periods" and "buying licences" sounds like a commercial Qt. The open source/community version has no such. Where did you download what from?

        I see you previously raised this issue in your https://forum.qt.io/topic/129066/can-i-use-qt-creator-enterprise-in-open-source-project, but did not return to that.

        Maybe you should try completely uninstalling everything Qt and reinstalling.

        1 Reply Last reply
        0
        • K Offline
          K Offline
          kitfox
          wrote on last edited by
          #3

          What am I supposed to download and install? The 'downloads for open source users' just take me to the Qt Online Installer which installs the commercial version. Where is the open source version?

          1 Reply Last reply
          0
          • C Offline
            C Offline
            ChrisW67
            wrote on last edited by
            #4

            https://www.qt.io/download-qt-installer

            Do not use Qt credentials that are associated with the commercial license.

            1 Reply Last reply
            0
            • K Offline
              K Offline
              kitfox
              wrote on last edited by kitfox
              #5

              That's the installer I used. What do you mean by "Qt credentials that are associated with the commercial license"? There was nothing I saw in the install process that involved credentials.

              1 Reply Last reply
              0
              • K Offline
                K Offline
                kitfox
                wrote on last edited by
                #6

                I think I have this resolved. I'm not 100% sure, but I think I had to log into my account and check a box indicating I was using Qt for personal use.

                1 Reply Last reply
                1
                • Kent-DorfmanK Offline
                  Kent-DorfmanK Offline
                  Kent-Dorfman
                  wrote on last edited by
                  #7

                  I think I had to log into my account and check a box indicating I was using Qt for personal use
                  God, I miss the tolltech days.

                  The dystopian literature that served as a warning in my youth has become an instruction manual in my elder years.

                  1 Reply Last reply
                  2

                  • Login

                  • Login or register to search.
                  • First post
                    Last post
                  0
                  • Categories
                  • Recent
                  • Tags
                  • Popular
                  • Users
                  • Groups
                  • Search
                  • Get Qt
                  • Unsolved