Here you can find the instructions on how to change the copyright message.
Magento 2.1.x. How to Change the Copyright Message (method #1)
Search Category: Administration and Configuration
Magento 2.1.x. How to Disable Ajax Wishlist
Here you can find the instructions on how to disable Ajax Wishlist.
Magento 2.1.x. How to Enable the Flat Catalog
Here you can find the instructions on how to enable the Flat Catalog.
Magento 2.1.x. How to Switch Your Store Theme
Here you can find the instructions on how to switch your store to default theme.
Magento 2.1.x. How to Clear Magento Cache
Here you can find the instructions on how to clear the Magento cache.
Magento 2.1.x. How to Reindex Data
Here you can find the instructions on how to reindex data.