I have read and agree to the Terms & Conditions 2) Install the loader to /opt/plesk/php/7.2/lib64/php/modules

3) Edit /opt/plesk/php/7.2/etc/php.ini and add 'extension=ixed.7.2.lin' directive

4) Restart the web server

Please note that access to the /opt/plesk/php/7.2/lib64/php/modules directory (extension_dir) and the PHP configuration file /opt/plesk/php/7.2/etc/php.ini may require additional permissions. Please contact your server company in such a case for copying the loader file and changing the PHP configuration file for you.