Yes, you are welcome to change between the types of Norwegian courses.
Unfortunately, this function is not available at this time in the account management area of your student account.
If you would like to change from a Fast-Track Online course to a Simply Online course (or vice versa), please get in touch with our Customer Service team to help you make the change. You can send an email to our team at: post@lingu.no or chat with us via the little blue bubble on the bottom right corner of the Lingu.no webpage.