WooCommerce has no pages after the installation

Do the following to fix this: 

First, make sure that these pages do not exist since you could just not add them to the menu. Maybe you have skipped the installation of WooCommerce so the pages have not been created. But do not worry, this can be fixed easily. Go to Dashboard > WooCommerce > System Status, find the tab with instruments, click on Install Pages. Go through all the items that you will see there carefully.

Then everything will work fine.