How do I cancel my subscription to Apple TV?

You have to do it yourself.

Instructions here => How to cancel a subscription from Apple - Apple Support

FYI: This is a public forum do not put your personal info like e-mail address, Apple ID, phone number, etc... here.

Unless you like spams, phishing, ....

This is a user to user technical forum, we have no access to your account.

You have to do it yourself.

Instructions here => How to cancel a subscription from Apple - Apple Support

Good Evening

I, Bertina Giles-Henderson would like to cancel my Apple TV subscription.

Bertina Giles-Henderson

I, Bertina Giles-Henderson would like to cancel my Apple TV Subscription, immediately.

Bertina D. Giles-Henderson