Update: My Responsive Version 1.9.3.6 has a bunch of custom post and page templates. When I update it to Responsive Version 4.3.6. I lose all the templates. Any ideas on how to keep the templates when I update?

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I recently took over a web page for a company. The site has not been updated for years. How it works before updating:Information in put in post. When a new page is created the person picks page categories. Those categories tell the page what information to show. I contacted the cyber chimp and they say it's not a theme feature so I hoped someone could tell me what plugin would make this happen because I can't find a page categories plugin in the plugin list.

Before updating using theme Responsive Version 1.9.3.6. This is the page.

This is what the front end looks like

After I update to PHP 7, current wordpress version and Responsive Version 4.3.6. This is the back end view because there no content on the front end so I didn't see any reason to show it.

Thank you very much for any help Kimberly