Hi @Mohamed-28 unless a theme has that feature already and there is some sort of issue, or you have put in some effort and made some progress doing it yourself and can show your work so far, then this is an advanced theme customization beyond the scope of the forums.
Hire a developer to assist you.
If you need this customization you can contact me for services
Contact info in forum signature.
ALWAYS please provide context, examples: store url, theme name, post url(s) , or any further detail in ALL correspondence.