I need help with iTunes Store and syncing
So I have this iPhone 8 Plus and iPhone 6 I wanna back up my iPhone 6 but when I connect it says the iPhone iPhone Connot be used because it requires iTunes version 12.7. Or later would you like to instal the latest version now but when I do it takes me to Apple store on my Mac and I downloaded the software 2 times and there’s nothing about iTunes update and I clicked for search for update and it bringer me back to Apple store again I really need help thanks-Elizabeth