minecraft crash report

I bought minecraft and then I downloaded it, so when I tried to play it said:"Uhoh, it looks like the game has crashed! sorry for the inconvenience "
What I expected to happen was....
What I expected is that I'm going to play and have fun and the game will start normally.
What actually happened was...:
What happened is that it didn't work and it said that the game has crashed.
Steps to Reproduce:
1. Explain the problem so the person can know how to fix it
2. ...
3. ...