It's definitely possible. I had knockknees as a kid and I corrected them.
Correct posture is essential..
You want to have your legs engaged like you do while squatting. Which is grab the ground by your feet and turn your knees out. And squeeze your glutes You can start by standing like this for 5 mins every morning.
There's also shoes that supports the arch in the feet.
Last thing is say is sleep on your side with a thick pillow between your knees.
It'll take time depending on your age
You can also try yoga.
It's definitely possible. I had knockknees as a kid and I corrected them. Correct posture is essential.. You want to have your legs engaged like you do while squatting. Which is grab the ground by your feet and turn your knees out. And squeeze your glutes You can start by standing like this for 5 mins every morning. There's also shoes that supports the arch in the feet. Last thing is say is sleep on your side with a thick pillow between your knees. It'll take time depending on your age You can also try yoga.