How to set the preview image of the video file under the hard disk folder?

1. First, find the word "computer" on your desktop and double-click it to open it.

2. Find your saved video file in the computer hard disk and open it step by step.

3. After opening the folder, don't rush to open the video file. Click the word "View" on the page with the mouse and select the preview pane.

4. After clicking, the right half of the page will be divided into a new area. At this time, put the mouse on the file you want to open, and you can preview the content directly without clicking Open.