without more context, this is how I would interpret "pick it up" here. You'll learn how to do (something), don't worry.
"7d : to learn (something) usually in an informal way
I picked up a few French phrases on my trip to Paris. He seems to pick foreign languages up very easily. She uses a style of singing she picked up from listening to jazz music. He's been picking up some bad habits from his friends." https://www.britannica.com/dictionary/pick