Installation involves copying the contents of the `QUrl-Theme` directory directly to the main directory where YOURLS was installed. After copying the theme files to the main YOURLS directory, install the required plugins.
To send e-mail notifications and for the contact form and the form to report suspicious links to work properly, it is necessary to install the PHPMailer library. The library files should be placed in the `qurl/PHPMailer` folder.
The theme can be translated into other languages. To do this, you need to create your own language file based on the file `PL-pl_qurl.php`, which is located in the `qurl/lang` directory.