Where do I put code for 6 months free Apple music?

Hey peggysterling,

Thank you for using Apple Support Communities!

We hear that you're trying to join Apple Music on Android with a free trial. We can help out.

Check these steps out:

Join Apple Music on Android - Apple Support

1. "If you see an offer for a trial, tap Sign In in the upper-right corner. Or tap the More button , then tap Sign In."

Cheers!