How to enrich the site if the theme no longer exist

how to enrich the site with for example images or icons etc if the theme no longer exists ( The first backup version and original site version was created on March 5, 2022 but no longer exists in Webflow)

@Lucie2 - By gathering other assets from the plethora of resources that exist online and using the designer to implement any layout you wish for your project. There is a tremendous amount of free training within the Webflow University. Good place to start. You always have the option to hire someone to do things for you.