In this documentation, we can check how to install Joomla app store extension.
1) Login to Joomla admin panel.
2) Go to ‘Extensions’.
3) Click the option ‘Manage’.
4) Click the tab ‘Add “Install from Web” tab’.
5) Then you will get the message that the installation of plugin was successful.
6) If you want to install any extension, click on it.
7) Click ‘Install’ button.
8) Confirm the installation by clicking the ‘Install’ button.
9) Then you will get the message that the installation was successful.
That is how we can install Joomla app store and install extension using this app.
If you need any further help please reach our support department.