As explained in "How To Sanitize a Laptop" https://www.labdoo.org/content/how-sanitize-laptop (please review it if you haven't seen it)
There are several contents that are part of the Labdoo Computers when sanitizing a computer.
If you sanitized your computer following any of the "Fast Restoration Methods", the images you install already include these additional educational packages, so you don't need to do anything else.
However, if you sanitized the computer using the "Step-by-Step method", the following sections will guide you through the process of manually installing the additional educational packages.
Continue reading under this section:
Installing the RACHEL Education PackageInstalling Education Packages Using ScriptsInstalling Xowa WikisBOKS- Community Development LessonsInstalling Wikipedia for SchoolsOverview Educational ContentUbuntu Software Center