This article will explain how you can install applications through your Plesk control panel.
Login to the admin home panel.
Click the Applications tab at the top of the page.
Depending on the type of application, click the Install or Buy Now button.
The application will be downloaded and the installation process will start. You will asked to agree to a User License Agreement.
You will be asked to Specify the Location of the Installation. You can also edit the Administrative Access before clicking the Install button.
You install will now be complete. You will then be taken to the Settings page.