Cannot login at the launcher with email

I deleted minecraft and downloaded the launcher cuz the first crashed and i did not know that i shouln't dit that,well,that isn't the point.I tried to enter to the launcher with my email cuz i haven't got the premium account and i can't login
Steps to Reproduce:
1. Create a not premium account
2. Try to login to the launcher with your email
3. It won't let you