To learn how to say hello in Russian, say zdrastvuyte.
Zdrastvuyte (здравствуйте) is pronounced zdrahst-vu-tye.
The Russian language has forms that are polite, or formal, and others that are informal. This Russian greeting is appropriate for anyone and at any time of day.
An informal way to say hello in Russian is simply privet (привет), pronounced pree-vyet. You would use this word to say hello in Russian to friends and family. It is too casual to say to an acquaintance, person of authority or someone you have just met.
Now you know how to say hello in Russian. Learn how to say hello in different languages.