Q: I don't have the option ;;from another computer;; only mac to mac... how do I connect my PC to my Macbook?

I'm trying to use the migration assistant to get my itunes from my old PC to my Macbook.

I have both computers running with the assistant.

When i have the option on my Mac to choose how to transer I only get: from mac to mac ::from time machine backup or another disc: and : to another mac

My PC does not find my mac. What do I do?