How to fix unsuccessful installation of Joomla?

There are many possible reasons for a failed Joomla installation, here are some common troubleshooting methods:

1. Make sure that your server environment meets the requirements of Joomla, including PHP version, MySQL version, Apache server, etc. You can check the system requirements on the official Joomla website for verification.
2. Check to make sure that your file permissions are set correctly. Ensure that the folder and file permissions are set to the correct read and write permissions (typically 755 or 777).
3. Download the latest version of Joomla and reinstall it to ensure there are no issues with the file integrity.
4. Clear the browser cache and try reinstalling using a different browser.
5. Verify the database connection is correct, ensuring the database username, password, hostname, and other information are all accurate.
6. Check if your PHP configuration is correct, such as whether necessary PHP extensions are enabled.
7. If none of the above methods work, you can try searching for solutions on the Joomla official forum or other technical support platforms, or contact your web hosting provider for assistance.