1: Please create a new file at will.
2. Directly import the video to be edited and pull it to the video track. At this time, you will be prompted whether it matches the original video, and choose Yes (I don't know how to say it, that's probably what it means).
Step 3 edit at will
4. Edit and start exporting. After the file is exported to media.
5: In the pop-up Export Settings dialog box, select "H.264" in the format of "Matching with Sequence Settings".
-Then select the level in Level on the Video tab. The selection level will affect the width and height of the video output. Choose the correct level compared with the width and height of the original video.
First, set the frame rate compared with the "frame rate" of the original video.
Setting the "target bit rate" for the original video (pay attention to whether the unit is kb or mb) directly affects the clarity.
Once the exit.