I just got this game and either my pc can't handle it or it's a bug but every time I click play It crashes at like %95 EVERY TIME plz let me know how to fix it.

For some reason I can't launch Minecraft. What I do is this: 1. open the launcher, 2.press the launch button, 3.It launches the startup screen, 4 It gets to somewhere around 95% and then it just stops...…. 5. I go to school thinking it will be ready when I get back, 6. when I get back. IT. HASN'T. MOVED. AN. INCH. please fix. this is what I go through:...…………...……………...………………...……......……......…………………...……………………...…………......…...……………………...………...…………………………...……...…..………………….........…...…………......…………………….CRASH!