Please tell me how to implement the development of a new design on the live version of the site? Let’s say I have a pre-installed fashion theme, it works, but I want to move on to mega electronics. I will not do this on the current site. How should this be done and how then to transfer all the settings and new content?
You can create a dev site and import any template there. Devsite – also called a Staging platform where you can test issues, enable/disable features/plugins thus such changes will affect the main site. The below article will help you to create it: