Method 1: Edit Image on Product Edit Page
Step 1:
Click on the Edit button to go to the Product Edit page
Step 2:
Click on "Add Image" to upload a new one, drag to reorder them or delete images by clicking on the Delete icon.
Also you can click on Edit button to modify the image, for example, add a watermark, add a frame to the image, recolor, etc.
Method 2: Edit Image on Bulk Edit Page
Step 1:
Select Products > click on Bulk Edit
Step 2:
Click on Edit button on the picture
Step 3:
Click on Add Image to uploade a new one, drag to reorder them or delete images by clicking on the Delete icon.
Also you can click on the Edit button to modify the image, for example, add a watermark, add a frame to the image, recolor , etc.