2. Then on the main page of the open cutting software, click the plus icon to start creation, as shown in the figure below.
3. Then in the open video list interface, select the video to edit, open the video editing interface, and slide the toolbar to the right.
4. After the toolbar changes, click the adjustment icon, and then click the contrast icon.
5. Finally, drag the setting icon to adjust the contrast value, as shown in the figure below.