WP All Import – Slow Imports – due images
All Import can make your XML or CSV import task easy. To import large amount of data to woocommerce that include importing the images could be very slow.
1- Upload the images by file manager from your hosting control panel or by ftp client to All import directory: wp-content/uploads/wpallimport/files/
And the All import, https://your-website/wp-admin/admin.php?page=pmxi-admin-import
You just need at image section,