We can download Moodle themes for our Moodle on-premises course, and we can do that from the following website: https://moodle.org/plugins/browse.php?list=category&id=3 . We can look for a theme which is suitable for Moodle 3 on-premises; in this case, we are going to choose Essential, as shown in the following screenshot:
We click on Essential in order to be able to download the Moodle theme. The following screenshot appears, click on Download in order to download the theme, as shown in the following screenshot:
After downloading the theme, the file will appear within the Downloads
folder, as shown in the following screenshot: