Installation instructions: WIRIS plugin for Moodle 2 & Moodle 3
WIRIS plugin for Moodle 2 & Moodle 3 is composed by different components.
The WIRIS filter, is a compulsory component. Depending on your Moodle version and configuration you may install WIRIS plugin for ATTO editor or a configured version of the WIRIS plugin for TinyMCE
1 Install the FILTER
WIRIS plugin filter for Moodle is a Moodle filter. To install the filter, it suffices to copy the content of the package into the folder filter under the root of moodle.
2A Install WIRIS plugin for Atto (Moodle 2.7 and higher)
To install it just copy the wiris directory into lib\editor\atto\plugins under the root of moodle.
2B Install WIRIS plugin for TinyMCE
2B.1 For Moodle 2.4 and higher
Starting from Moodle 2.4 WIRIS plugin for TinyMCE is a standard Moodle plugin. To install it just copy the tiny_mce_wiris directory into lib\editor\tinymce\plugins under the root of moodle.
2B.2 For Moodle 2.2 and 2.3
3 Enable the FILTER
To enable the WIRIS plugin for Moodle, login as administrator and go to Settings, Site administration, Plugins, Filters and Manage filters. You will see the Wiris filter and you will be able to enable it.
In order to avoid problems, Wiris filter must be the first. For sure it must be placed before Convert URLs into links and images.
3.1 Enable Chemistry editor
Login as administrator and go to Settings, Site administration, Plugins, Filters and Math & Science by WIRIS. Mark the checkbox Chemistry editor.
4 Check all is OK
The best way to check all is OK is just to create a formula, save and display it.
Additionally there is an info page at