How can I improve my coordination and skill in playing the piano with both hands simultaneously?

To improve coordination and skill in playing the piano with both hands simultaneously, practice regularly with exercises that focus on hand independence, such as scales, arpeggiOS, and hand coordination drills. Start slowly and gradually increase speed as you become more comfortable. Additionally, focus on proper hand positioning and posture to ensure efficient movement and control. Consistent practice and patience are key to mastering this skill.