Log in to your Plesk control panel.
Navigate to the "Websites & Domains" tab.
Find the domain where you want to install Joomla and click on it.
In the domain management page, scroll down to the "Web Applications" section and click on "Install Web Applications."
On the next page, click on the "Applications" tab and search for Joomla.
Once you find Joomla, click on the "Install" button next to it.
You will be directed to the Joomla installation page. Fill in the required information such as the desired installation location, administrator username, password, and email.
Choose the desired settings for the installation. You can customize the website title, select the desired language, and choose whether to install additional extensions or sample data.
Review the installation settings and click on the "Install" button.
The installation process will begin, and you will see a progress bar indicating the installation status.
Once the installation is complete, you will receive a confirmation message with the login details for your Joomla administrator account.
You can now access your newly installed Joomla website by visiting the domain you selected during the installation process.
By following these steps, you will be able to install Joomla in Plesk.