Online Deep learning courses

Some very good courses are online and many are free of charge.

Practical Deep Learning For Code Free

deeplearning.ai by Andrew Ng on Coursera. You have to pay for this course. But you can access the videos by selecting Enrol and then Audit. Coursera has other Machine learning courses for free.

Deep Learning Nanodegree by Sebastian Thrun and others on Udacity. You have to pay for this course.  In Udacity you can find also free courses, such as  the Deep Learning course by Google.