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Jeff oversees the architectural and high-level design of software systems for clients. Feedback from our recent Qt for Beginners webinar series indicated a need for some basic tutorials for beginners.
For this example I'll assume you are running Windows We will install the Open Source version of Qt 5. Installation should be similar if you use a different version of Windows or a different version of Qt. We will use the free MinGW compiler as it makes the setup easy, coming as part of the Qt install. You will need at least 5 GB of free disk space and an Internet connection in order to download the installer and Qt components.
The website will ask you a few questions to determine whether you want the Open Source or commercial versions of Qt. Say Yes to "Are you prepared to make your application source code publicly available? Then click on "Get started" and then "Download Now". For a quicker way to download Qt and to get different versions other than the latest, you can instead go to http: The download is reasonably small 18 MB and will try to use a local server near you.
Once downloaded, run the installer program. You will probably need to accept the Windows dialog that requests permission to run the installer. The installer will come up. If you have a Qt online account, enter the information here. If you want to create one, go ahead. Otherwise just select Skip to proceed. It will now download information about the available components from a remote server.
Pick the installation folder the default is normally fine unless you need more disk space on another drive. A path with spaces in it or that is very long may cause problems later, so avoid doing that.
Let's do a minimal install. If you want more components you can select them. I expanded Qt 5. The only other item I selected was under Tools, where Qt Creator 4. Next read and accept the license agreement. Then pick the Start menu shortcuts you want. The default is typically fine. Installation is now ready, so select Next. At this point it will download all the selected components. This will take a while depending on the speed of your Internet connection.
After downloads are completed it will start installing. Qt Creator will launch and show the Welcome screen. Qt Creator should auto-detect the Qt install and compiler and create a "kit" for desktop development. We can now test the installation by creating a simple project.
Let's start with one for widgets: Pick Application and Qt Widgets Application: Pick the kit only one option is available then Next. You can specify some more information. Pick the defaults unless you want to use something else. Pick no project management. You will now see the created skeleton application. You can look at the source code if desired: Click the hammer icon at lower left to build it.
You can click on Compiler Output if you want to see it. The project should successfully build. You can now click on the green triangle icon to run it. After doing so, it should launch and you will see a window named MainWindow come up. You might also want to try a QML application. Build and run it as before. If the above steps worked you are all set up to develop with Qt on the desktop. You can now create your own applications from scratch or start with one of the many examples or tutorials available within Qt Creator.
Under the Start menu you will see a Qt section with entries for Qt Creator, as well as Assistant, Designer and Linguist in case you want to run these tools on their own. There is also an entry for a command prompt for Qt, which will have qmake and other tools in the path so you can work from the command line if desired. If you want to go back and add or remove more Qt components, run "Uninstall Qt" which is the maintenance tool we used earlier.
I hope that you now appreciate that setting up Qt for desktop development is easy and you can be up and running very quickly. This example covered one of the most common setups. In the future I plan to continue this series for beginners, covering how to set up on a development environment on a Linux desktop and how to compile Qt from source. Read more articles from the category Qt QML. Skip to main content. More articles from the author. Assumptions and Prerequisites For this example I'll assume you are running Windows Installation Steps Fire up your web browser and go to http: Select to Add or remove components or Update components.
Summary I hope that you now appreciate that setting up Qt for desktop development is easy and you can be up and running very quickly. Want to learn more? What's New in Qt 5. QRandomGenerator Computer software sometimes has a requirement for generating random numbers. Applications include games, simulations, cryptocurrency, and security Integrated Development Environments Deliver Productivity Gains While you can develop software using just a text editor and the command line and many people do , you'll often see productivity gains by using a