@MojangSupport I've got java edition on windows 7.
I purchased this morning and am unable to do anything more than the demo. The account says I need to make a purchase.
I downloaded the windows link in the receipt email.
I got the receipt email with transaction ID.
If you can only play Minecraft demo, please visit https://help.minecraft.net/hc/en-us/articles/360029643892-Can-only-play-Minecraft-demo-Java-Edition- …. ^JR