If you have access to Microsoft CustomerSource here are the steps to access the e-learning courses.
Step 1. Launch CustomerSource
Step 2. Under the "Welcome User > Help" menu there are helpful resources that are useful for customers
Step 3. On the Help page there is a link to CustomerSource Help Videos which has a tutorial on using E-Learning
Step 4. You can type directly into the search field to view the list of e-learning courses available. For example, type "365 Operations" to find courses on Dynamics 365 for Operations