Qt6 Offline Installer May 2026

The offline installer supports a scripted mode:

# Linux / macOS
./qt-opensource-linux-x64-6.5.3.run --script qt-install-script.qs --platform minimal --verbose
qt-unified-windows-x64-6.5.3.exe --script qt-install-script.qs --platform minimal
 Qt6 Offline Installer

Example qt-install-script.qs:

function Controller() 
    installer.autoRejectMessageBoxes();
    installer.installationFinished.connect(function() 
        gui.clickButton(buttons.NextButton);
    );
Controller.prototype.WelcomePageCallback = function() 
    gui.clickButton(buttons.NextButton);
;
Controller.prototype.ComponentSelectionPageCallback = function() 
    // Select desired components by widget name
    var widget = gui.currentPageWidget();
    widget.deselectAll();
    widget.selectComponent("qt.qt6.650.gcc_64");
    widget.selectComponent("qt.qt6.650.qtcharts");
    gui.clickButton(buttons.NextButton);
;

Click Install. The process may take several minutes as it unpacks files to your hard drive. The offline installer supports a scripted mode: #