There are a number of ways that you can improve your skills and become better at Super Smash Bros. Ultimate:

Practice regularly: The more you play the game, the more comfortable you will become with the controls and the various characters.

Experiment with different characters: Each character in Super Smash Bros. Ultimate has their own unique moves and abilities, so try out a variety of characters to find one that suits your playstyle.

Learn the fundamentals: Familiarize yourself with the basic mechanics of the game, such as movement, attack timing, and positioning.

Analyze your play: After each match, try to identify any mistakes or areas for improvement. Review replays or ask friends for feedback to help you understand what you could have done differently.

Watch and learn from other players: Watch streams or tournaments to see how top players approach the game. Pay attention to their strategies and try to incorporate what you learn into your own play.

Train with a friend: Practice with a friend who is a similar skill level or slightly better than you. This can help you both improve and push each other to get better.

Find a coach or mentor: Consider working with a coach or mentor who can provide personalized guidance and feedback to help you improve your skills.

Overall, the key to getting better at Super Smash Bros. Ultimate is to practice regularly, stay focused, and be willing to learn and adapt.