I am unable to redeem my 4 months Free Apple Music Subscription

Enjoy up to 4 months free of Apple Music.

Thanks to your recent Best Buy purchase, you can activate your free trial of Apple Music now*. With Apple Music, you can play 90 million songs ad-free, and experience a new dimension in sound with Spatial Audio featuring Dolby Atmos. Discover new music, get exclusive playlists, tune in to live radio hosted by artists, and follow along with the music you love with lyrics view.

Click the Redeem Now button to get started.

Note: iit said the promotion if for new users or returning users and i been unable to redeem

[Re-Titled By Moderator]