How do you get Red drive to work in a My Book?

hi I wanted to upgrade my 5TB blue drive to a 6TB Red drive… it sees it kinda in windows to initilizae but she wont work… so I intiliazed it using regular sata cables… and then re hooked to my book… still doesn’t work

how you get the hard drive to work with the MY Book

My book, or my book live?

its just the My Book… 5TB blue drive it has you guys sell i guess only for Bestbuy