-
What is the purpose of Migration?
-
I bought my Minecraft game today, do I still have to manually migrate?
-
Now let's say I already migrated, played the game… If I've done all of those things, will I lose the power of changing names if I migrate?
Minecraft – Minecraft migration
minecraft-java-edition
Best Answer
This is a very nice official answer to your question: https://help.mojang.com/customer/portal/articles/775905-migrating-from-minecraft-to-mojang
So to answer your question: