The qt-unified-linux-x64-online.run package is a graphical installer that allows developers to select and install specific versions of the Qt framework, modules, and the Qt Creator IDE. Unlike offline installers, this "online" version downloads only the components you select, which saves disk space and ensures you get the latest supported releases . How to Download and Run the Installer
By default, Linux prevents downloaded .run files from executing. You must manually grant executable permissions using chmod : chmod +x qt-unified-linux-x64-online.run download qt-unified-linux-x64-online.run
You can retrieve the installer directly from the official Qt Download Page or use the command line for a more direct approach. The qt-unified-linux-x64-online