Hi, I'm trying to use magento 2 and trying to install a new theme. Because the design theme is not displayed in the "Shops"> "Configuration"> "Design" section.
He moved to Content / Design / Configuration
Yes. It has been moved to Content / Design / Configuration. check screenshot for more details
You can then select a specific store if you have many stores. click "Change action", and in a new window you can find the settings of search engine robots.