I went to the page hoping to signup, but I fall into 1.5 categories. Sorry for the humour. Anyway, I'm a student from a not-well-known college and I'm a freelan

I went to the page hoping to signup, but I fall into 1.5 categories. Sorry for the humour. Anyway, I'm a student from a not-well-known college and I'm a freelancer. How do I signup as a freelancer? Do you also accept companies from outside US?