terms and conditions

Log out of iCloud or AppleID. You should then be able to accept the new terms & conditions. This has been an issue for a couple of years now.

You can provide Apple with product feedback here:

Product Feedback - Apple

LatoyaGriffin wrote:

I updated my Mac book and I am unable to accept the terms and conditions. I scrolled down and the accept button isn't available.

Updated what "Mac book" from what to what"

Please read this user tip:

Writing an effective Apple Support Commun… - Apple Community