This is a question that many people ask us, and the answer is complicated and very simple, but what is the very first step? Making something important. I know from my experience when I did some yoga back in the day, I didn't make it important, I did it, I didn't do it, I forgot about it and ten years later I came back to it. Now, if that's not your intention and you want to start this properly, the very first step is am I going to do this? Am I going to make it important? Am I going to make time for it?
The second step is what is my intention? Am I going to do this every day, because everything that you do every day you become great at and your practice should be something that you become consistent at. Then you become great at it. First step is important, the second step is your intention to do it every day.
Regularity is key for sure. The spiritual journey begins the moment that we stop our outward connection to life and begin to connect inward. The vehicle that facilitates that connection is our breath. So the moment that you sit still for a minute and you close your eyes and your spine is straight and you take a deep inhalation and you mentally chant, "I'm aware that I'm breathing in," and then you take a long exhalation and you say, "I'm aware that I am breathing out." The connection is there and you begin this beautiful spiritual journey of body and mind and breath. You can continue with that with every inhalation, "I'm aware that I'm breathing in," with every exhalation, "I'm aware that I am breathing out," mentally chant that and once that becomes natural for you, you can let go of chanting that and just stay connected with the breath.
So eventually you'll get into yoga postures, more breathing methods, meditation, but if you're right in the beginning and you haven't done anything and you just want to know what to do, this is a great practice to get you started and then the great thing is once you get started, that gives you lots more intuition into the next steps and more that you want to do. Don't be in a hurry. Do the very first step in the proper way.
And this practice of breath will stay with you forever on your spiritual path. It's something that I still go to throughout the day, always connecting with the breath. It's one of the first yoga practices and great tools for peace.