We need to install a few Plugins (such as Interactive Content-H5P) and our version is "Moodle 3.6.4". But when we go to "Site Administration->Plugins" we can only see one option "Plugins overview". There is no option like "Install Plugins".
Link to login: https://ccc-e-learning.moodle.school/login/index.php
We'd really appreciate your help on this matter.