First u need a NFA that have Seucirty question like 1 | 2 | 3 or some like 123 | 123 | 123 Usally people
Usally people use them as their seucirty question
step 1: login to mojang.com
step 2:go to account settings
step 3:click on the email and use change email
step 4:put on the email u want to...