Ubuntu18 installation steps
download link:
Installation environment: Ubuntu18.04.4
https://ubuntu.com/download
Software version: qt-opensource-linux-x64-5.14.2.run
http://download.qt.io/archive/qt/
start installation
Change software execution authority
chmod +x qt-opensource-linux-x64-5.14.2.run
Execute installation command
sudo ./qt-opensource-linux-x64-5.14.2.run
Below is the graphical installation interface
Login (no account required to register)
The back is basically next (configure according to your needs)
Test installation