In 2014, Coursera began developing a new course platform to improve the learning experience in our courses, and started moving courses from the old platform to the new platform.
On June 30, 2016, we stopped providing access to our old platform. Most courses that were offered on the old platform have already moved to the new platform or will move soon. All new courses added after June 30, 2016 will be available on the new platform.
You will still be able to see, share, and print your old platform Course Certificates from your Accomplishments page. Final grades from courses on the old platform cannot be adjusted. If you enrolled in a course on the old platform, you won't be able to unenroll from it.
To see if a course has moved to the new platform, you can search for it.