I followed the migration, but I cannot log in, and Apple ID is not popping up

Pete, Wales, UK wrote:

I followed the migration, but I cannot log in, and Apple ID is not popping up, how do I get to reset again?

What does that mean..."followed the migration" ?

Can't log into what, iCloud?

The most trouble free way to move to a new machine, is using the Setup Assistant on the initial boot of a brand new machine— you have one shot here. Set up your MacBook Pro - Apple Support

The second best way is use the Migration Assistant.

How to move your content to a new Mac Move content to a new Mac - Apple Support