Apple ID
I’ve created a new Apple ID but when I go to my App Store and try to do an update, it tells me that I have to enter the password from my old Apple ID ... How do I change that to my new Apple ID password?
A request for another Apple ID password is often caused by updates to apps/purchases that were made when using the other ID. Those purchases are tied to the other ID and can't be transferred. One option is to delete the apps/purchases made by the other ID and download them using the new ID if desired.