How can I add checkboxes to my checkout process?

Store Design
1

I’m wanting to add checkboxes to my checkout

  1. Please Make This On TikTok

  2. Please disguise as it’s a gift

I’ve gone through other peoples posts and none are working for me, and I’ve checked out Shopify help to no vail

can anyone help by showing me the coding needed

2

What have you tried so far so we don’t end up doubling up on suggestions you’ve already tried?
What didn’t work?

What errors did you see?

Context is helpful to save guesswork.