Download and installation of QT 6.2

brief introduction

Qt It's a cross platform C++ Development Library , Mainly used to develop graphical user interface （Graphical User Interface,GUI） Program , Of course, you can also develop a command line without an interface （Command User Interface,CUI） Program .

because Qt since 5.15 Version start , For non-commercial versions ( Open source version ) Do not provide offline products that have been made .exe Installation package , therefore Qt 6.2 Version needs to be downloaded and installed online .

If you want to download Qt 5.15 And previous versions , You can go to Qt The official website is dedicated to downloading resources （ But it's slow ）：http://download.qt.io/

Or go to several famous mirror websites in China to download （ Faster ）：

• University of science and technology of China ：http://mirrors.ustc.edu.cn/qtproject/
• Tsinghua University ：https://mirrors.tuna.tsinghua.edu.cn/qt/
• Beijing University of Technology ：http://mirror.bit.edu.cn/qtproject/
• China Internet Network Information Center ：https://mirrors.cnnic.cn/qt/

The download methods of those versions are not covered in this article , Search for .

because Qt 6.2 yes Qt 6 The first long-term technical support version of the series （Long Term Support,LTS）, There will be update support in the next few years , And relatively new , So I choose to download Qt 6.2.

Here's an explanation Qt Version number of , such as 6.2.4 Is a full Qt Version number , The first number 6 It's a big version number （major）, The second number 2 It's a small version number （minor）, The third number 4 It's the patch number （patch）. As long as the first two numbers are the same ,Qt The characteristics of are consistent , The last number is the patch update to this version . In other words, this tutorial is right 6.2.* Series of Qt It's all universal , download 6.2.* Any version can , Here we download 6.2.4.

download （Windows To download in a hurry, you can directly click the last time-saving link in this section ）

We choose to enter Qt Download on the official website ：https://www.qt.io/?hsLang=en

After entering the website , Click... In the red box "Learn more" Go to the next screen ：

Click... In the red box "Download now" Go to the next screen ：

Click... In the red box "Go open source" Go to the next page ：

Slide down and click in the red box "Download the Qt Online Installer" Go to the next page ：

Click... In the red box "Download" Download ：

（ If you click and do not download, skip to the next page , Click in the red box "here" Available for download ）：

（Windows download ） Time saving link ：

https://d13lb3tujbc8s0.cloudfront.net/onlineinstallers/qt-unified-windows-x86-4.3.0-1-online.exe

install

Click in the folder where the download is located .exe file ：

Enter the email and password in the figure below and click next , If you don't register one on the official website ：

Check the arrow pointing to the box , Click next ：

Click next , Wait a moment ：

Click the arrow and then click next ：

Click in the order of the arrows , It is recommended to change the installation directory to D disc ：

Be careful ： The current directory name and all directories in the path cannot contain Chinese characters , You can't have Spaces .

Here I am going to use Qt Creator Self contained MinGW compiler , Just check it directly . Additional libraries are installed as needed , I chose all of this "Addictional libraries", So as to avoid trouble in the future . Then slide down to choose Developer and Designer Tools, If you choose MinGW As a compiler , Choose the appropriate MinGW. Others seem to be selected by default , Click next ：

Check the box in the next interface and click next ：

Click next on the next page ：

Choose to install ：

After waiting for several minutes ：

Finally, click finish ：

thus , We'll finish Qt 6.2.4 Download and install .