Is it possible to convert walk forward to walk forward and turn in Maya or Blender?

I have a walk forward animation from the asset store and want to create a forward turn right, forward turn left animations. They don’t need to be perfect but I was wondering if there’s a simple way or trick for changing a simply forward walk cycle to a walk and turn.

There is no real trick unfortunately, all of this you would have to go in manually and edit the keyframes in the animation. If you’re set on doing this yourself, YouTube is your friend in this case, but it’s not going to be a really easy process and if you don’t have much experience in this you’re going to find it’s probably not going to look like you want it to look on your first few attempts. You can still by all means do so, but there is no “trick” per se or any toggle option or anything that exists for that. Animating is sort of an art form unto itself, which is why a lot of people just choose to outsource it and thus things like the Asset Store were born. By the time it’s all said and done, you’re better off looking for another animation rather than spend the time editing your existing one as far as practicality goes.