How to update name?

Games Halo: The Master Chief Collection
1

My in game name on MCC for PC is showing my old xbox gamer tag. I updated it last night through the xbox website, but it’s still showing the old name. How can you update it in game?

2

sAmE

3

same issue someone please help find a way to update it

4

Maybe try signing out and back in to MCC, see if that works