Leave the fancy skid steer turns for next year.
If you are right handed then move the right lever forward or backward to turn the mower and use the left one ( moving forward or backwards for maintaining speed ).
Drive predominately forward till you get the feel of the mower.
New owners tend to swing the levers wildly back & forth and achieve very little other than tearing up their lawn
So say you are going forward & need to turn left
leave the left hand where it is and push the right foreward, then bring it back when the turn is complete.
So you concentrate on what your right hand is doing and sort of ignore your left.
Otherwise it just gets confusing..
For the first few weeks, never pull your left hand into reverse unless you are actually going backwards.
After a few weeks you will find your hands working as a team but try to "tell" one to go one way & another to go in the opposite way is really hard.