The Say It Right course is provided on the basis of a one-person, one-site license. The registered user may install the application on mutiple devices, but they are entitled to use the content on one device at any given time. In order to use the content on the second, third, etc. device, the user must first 1) deactivate the course on the currently used device and 2) log out. Both procedures are required. The failure to deactivate the course on one device will prevent the user from logging into his account on another device. The procedure is described in detail in the document “Terms and conditions” on the main page.