You should have an up-to-date web browser such as: Chrome, Safari, Firefox, or Internet Explorer. For more detailed information, please see the guides for supported browsers and basic computer specifications. Our Online Courses can be accessed on a mobile or tablet device, although we strongly encourage you to have access to a desktop or laptop computer and reliable internet connection for certain course components. Former students have told us it is easiest to read discussion threads and complete written assignments on a laptop or desktop computer.