MacBook pro login error?

oxfine

Hello I bought apple MacBook pro 6 months ago. I have used it for 6 months. I don't have a password . But computer says log in using your password. There was cancel button. But it isn't there anymore. I have used cancel button on the sign in page for 6 months. Could you please help me?

tallest skil

If it's really yours, just take it to Apple. They'll help you out.