What is how are you familiar in French?

There are a few ways to say "how are you" in French, depending on the formality and context:

Formal:

* Comment allez-vous ? (This is the most formal way to ask, literally meaning "How are you going?")

Informal:

* Comment vas-tu ? (This is a more casual way to ask, used with friends or people you know well.)

* Ça va ? (This is the most common way to ask, meaning "Is it going well?")

* Comment ça va ? (This is also a casual way to ask, meaning "How is it going?")

You can also say:

* Tu vas bien ? (You are doing well?)

* Qu'est-ce que tu fais ? (What are you doing?) - This can be a way to start a conversation and ask about how someone is doing.

The best way to know which phrase to use is to consider who you're talking to and the situation.