To configure Variation Images Gallery for WooCommerce Navigate to WordPress admin menu WooCommerce => Settings => Variation Gallery => Advanced
1) Zoom Gallery image: Enable or disable Zoom Gallery option
2) Lightbox: Enable Lightbox popup option
3) Slider Navigation (Arrow) [Pro]: Check it to Enable arrow.
4) Slider Adaptive Height [Pro]: Check it to make same height
5) Thumbnail Slider [Pro]: Check it enable thumbnail slider.
6) Thumbnail Position [Pro]: You can set which position of mail image thumbnail will show Left/ Right or Bottom.
7) Preload style: Set pre-load style
8) Zoom button position: Set zoom button position