They are generally free and offer all the content. You could nevertheless "buy" a certificate if you want to add this course on your CV (on LinkedIn et al., I think the price is about 70$. I use this option only for courses in which I don't get time trouble, but this one is self-paced). Login is no problem, but for certification, you have to confirm your identity.
They are generally free and offer all the content. You could nevertheless "buy" a certificate if you want to add this course on your CV (on LinkedIn et al., I think the price is about 70$. I use this option only for courses in which I don't get time trouble, but this one is self-paced). Login is no problem, but for certification, you have to confirm your identity.