If you do not already have an FTP program, then you can get a free one from here (Filezilla). It is full of features, has no adverts and runs on Windows, Linux and Mac. Below there is information on the correct settings for CuteFTP, Filezilla, CoffeeCup Direct and CoffeeCup FreeFTP, though many others should work.
Posted in: Questions about FTP, Questions for new customers