I want to create a web site to start a business, since I’m just starting I need a free web site hosting, but don’t know what link to click in the search option. I need help, anybody there who knows a good free website creator? THanks!

I want to make my own website, but I want to start small and experimental. I want to use a free web site host but their are many to choose from. Which is the best place to use, particularly if you want to create a professional looking site?
I know free sites arent totally professional, but I just want something to play with and start with, but nothing silly.