Magento admin controls do not match with the official user guide
I'm learning Magento 2 and I'm using the official user guide. For example, trying to modify the default contact form the guide clearly instructs the following steps:
1. On the Admin sidebar, tap Content. Then under Elements, choose Blocks. 2. Find the Contact Us Info block in the list, and open in Edit mode.
When I follow them, the block I want is not there. Actually there are no blocks at all.
There are also other examples of mismatch between Magento and the official guide. I need to know where to start learning Magento and if the user guide is correct then what is wrong with the installation? Note that I have this installed locally but I got the same issues when I had Magento on a hosting provider called Nexcess and had their team install magento.
I want to learn Magento 2 to use its backend effectively and then move on to extension development.