Hello,
1/ Please read this article https://xstore.helpscoutdocs.com/article/89-product-images https://prnt.sc/Q5mNWncDO-OU https://prnt.sc/3bdw2MmDAnY3 , do not forget to regenerate thumbnails to apply changes. 2/ You can activate Single Product Builder via Theme Options, then you will be able to place sections and elements depending on your needs and change the width of them.
Regards
