Open a terminal and run the following commands in the terminal:
sudo apt-get update sudo apt-get upgrade sudo apt-get install qt5-default libqt5script5 libqt5quickwidgets5 libqt5multimedia5
Then download the Camera Controller archive (ideally using “wget” command).
wget "url to archive" tar xfvz cameracontrollerpi.tar.gz
Finally you can start the application as follows: