1_Have conversations in French. You will be amazed at how much you will learn just by talking to someone who speaks the language.
2-Learn popular French folk songs. You can find the words and music to these online. They will help you to get a feel for both the language and the culture. As for the French, the two are really one and the same thing.
3_Teach French. As you learn new words, say it to non-speaking friends and then say what it means. This, in turn, helps you pronounce and understand French and encourages your friends to learn with you.