Hello, Jodia,
Thank you for contacting us and for using XStore.
Please read this article first – https://woocommerce.com/document/related-products-up-sells-and-cross-sells/
From which page do you want to turn off cross-sell? Please provide URL and screenshot.
You can use screenshot tools such as Lightshot or Gyazo and share the links here. Alternatively, you can use a file-sharing service such as WeTransfer https://wetransfer.com/.
Thank you for your cooperation and we look forward to hearing from you soon.
Kind Regards,
8theme team