Simply minecraft on my pc does not work. I even bought the game to play it and it's not letting me play.

Put the summary of the bug you're having here

What I expected to happen was...:
I should be able to play because I paid 27 dollars for this game.

What actually happened was...:
It doesnt even go the single player and multiplayer screen.

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...