Minecraft doesn't show as purchased?

Ja
3

Hi. A friend of mine bought Minecraft Java. Only it will now be shown to him that he has not bought it. He can only play the demo. What should I do?

Sp

Maybe he hasn't signed up?

Ja

Apparently he signed up

Po

This support article lists possible reasons and solutions for this: https://help.minecraft.net/hc/en-us/articles/360029643892-Can-only-play-Minecraft-demo-Java-Edition