This is an example lesson from our Git Fundamentals course.
Yes, they work on both desktop/laptop computers and iOS devices.
You can ask questions about the lesson or get help with your assignment by posting to the class discussion forums and attending the weekly live Q&A webinars with the instructor.
No, we will provide you with an online development environment to work with for the duration of the class. This way you can follow along with the videos without messing up your existing website. Working with our development environment also ensures your experience matches what you see in the lessons and allows us to troubleshoot any issues you may have.