Tools/materials: Lenovo computer Tianyi 5 10S, Windows 10, video editing expert 9. 1.

1. Open the video editing expert. On the Edit and Convert page, click Add File to add the video to be processed.

2. Enter the video capture page, drag the two buttons on the page to capture the required video, and click Apply.

3. Click Edit.

4. Click the effect to adjust the brightness, contrast and saturation of the video, and click OK.

5. Click on the watermark, which can be a text watermark or a picture watermark on the video P, and click OK.

6. Click the subtitle to add subtitles to video P, click the icon on the bar below the subtitle file to import the font file, and click OK.

7. Finally, fill in the file output directory and export the P good video.