Add, delete images and alter the order they are shown on Single product page.
To make changes to pictures, use Image Editor, the built-in editing tool. Click on the pencil icon to start editing.
Click on the eye icon to preview image:
Click on the 'ALT' to add alternative text for the image:
Click on the trash icon to delete image:
You can easily change the Featured image by clicking 'Featured':
'Add image from URL' option
Enter image URL like: https://www.camerasafrica.com/wp-content/uploads/2018/12/Phottix-3-ring-macro-extension-tube-Auto-focuscanon-1.jpg and image alternative text -> click 'Add image', it will be added to the Gallery:
'Add image' from your computer option
Click 'Add image' -> select the image from your computer -> Save changes.