Step 1: Log into your cPanel account.
Step 2: In the "Software" section, click on "Softaculous App Installer" Icon.
Step 3: cPanel will redirect you to the Softaculous Panel.
Step 4: On the left side of your screen you should locate the "Portal/CMS" category. Click on it and then click on the "Joomla" link that will appear.
Step 5: Click on the "Install" button
Step 6: Fill the necessary field under the "Software Setup" field:
Choose the version you want to install: Leave this as it is.
Choose Protocol: You can leave this as it is.
Choose Domain: If you don't have multiple domains, leave this as it is.
In Directory: If you want to install this in a directory, for example example.com/directory, enter the directory name. Otherwise, leave this blank to install in your main domain example.com
Step 7: Under "Site Settings" field:
Site Name: Enter the name of your website, such as "my first website".
Site Description: Site Description or Slogan
Step 8: Under the "Database Settings" field:
Import Sample Data: Leave this as it is
Step 9: Under the "Admin Account" field enter the following information:
Admin Username: Your new Joomla username (for security reason do not use the "Administrator" or the "Admin" username.)
Admin Password: Use a strong password.
Real Name: Leave this as it is or use your full name
Admin Email: Your e-mail address.
Note: Copy the admin username and password on a notepad because you will need these login details to access the admin area of your Joomla Website.
Step 10: Choose Language: You can chose the language of your Joomla. The default language of Joomla is English.
Step 11: Advanced Options: Leave this as it is, unless you want to change the database name or take an automated backup. Please note that taking frequent backups may take a lot of disk space.
Step 12: Finally, scroll down to the end of page and click on the Install Button.