Along the way, I've had to learn tons of languages, operating systems, development systems, and new ways of thinking about things. Learning doesn't have to be scary, it can be fun . For younger people, learning is what creates new opportunities. OK, enough soap box. Once you learn your second computer language, or your second operating system, you will have discoverd that it's not nearly as painful as the first.
Subsequent ones become even easier.
All of these systems and languages have commonalities, just like spoken languages and socio-economic systems. The keys to any new system are contained in the documentation. Skim read the documentation first thing , before doing any designing or coding. This is extremely important. Skim-read, don't try to remember anything, just expose yourself to what's there.