I bought the Minecraft Java edition and there's nothing with me, I can only play the java edition. It can't be that I've spent the money for free, what should I do?
You have bought the Minecraft Java Edition and can now play it. What exactly did you expect?
You bought Java and you got it. What is your problem?
Oh sry, I mean I can only play the demo
Sry, I said I can only play the demo, which is limited in time
Have you downloaded minecraft launcher?
Did you have a Microsoft account and selected the game there?