Hello, Fred,
There is no separate import for RTL. You already imported demo content on https://doaamkalde.com/dm-rtl-test/ , you selected RTL language to the site, and now you can edit the texts and the images. From now you may edit the demo content on-site depending on your needs.
“you are not support ?” – we are the support team for the XStore theme, here is our support policy – https://www.8theme.com/documentation/xstore/support/support/
If some problem, or situation is caused by 3rd party plugin, you need to contact the support team of that plugin. https://www.8theme.com/documentation/xstore/plugins/third-party-plugins/
“and where i can contact the support” – https://wordpress.org/support/plugin/translatepress-multilingual/
Kind Regards,
8theme team