It takes time and patience to learn video editing on your own, but with the following steps, you can gradually master video editing skills:

1. Learn the basic concepts: First, you should understand the basic concepts of video editing, such as the timeline, sequences, transitions, special effects and so on. These concepts will help you better understand the process of video editing.

2. Choose the right software: There are many video editing software to choose from, such as AdobePremierePro, FinalCutPro, DaVinciResolve and so on. Choose a software that suits your needs and budget, and download and install it on your computer.

3. Watch tutorials: There are tons of free video editing tutorials on the Internet that cover everything from basic operations to advanced techniques. Watch these tutorials and follow along with the practice to improve your skills step by step.

4. Practice projects: Practice your video editing skills with real projects. You can start with simple home videos and then gradually try more complex projects such as short films, music videos or documentaries.

5. Learn about editing theory: Understanding editing theory can help you better understand how to tell a story and engage an audience. Read books on film narrative, camera language and editing techniques to improve your editing.

6. Participate in communities and forums: Join video editing related communities and forums to share your experience and skills with other editors. This will help you expand your knowledge and discover new inspirations and resources.

7. Receive feedback: Show your work to others and listen to their comments and suggestions. This will help you identify your weaknesses and continue to improve your skills.

8. Keep learning: Video editing techniques and trends are constantly evolving, so stay on top of new techniques and methods. Study and practice regularly to ensure your skills are always at their best.

9. Build a portfolio: As your skills improve, create a portfolio of your best work. This will help you showcase your strengths when looking for a job or working with clients.

10. Patience and perseverance: Learning video editing takes time and effort, so don't expect to get there overnight. Keep patience and perseverance to gradually improve your skills and eventually become a professional video editor.