Lynda (and almost all other websites) offer tutoring for the WIndowsOS: or mac, you're pretty much limited to obscure sites and old books.

Is the office where you inter on MACs? If not, go get yourself a WIndows PC to do your learning, or buy/load WIndows on your MAC and get the LT for Windows instead https://www.google.com/search?q=how+to+run+windows+on+a+mac