PrestaShop 1.6.x How to create a blog category and assign posts to it

1. In your PrestaShop admin panel go to Blog – Blog Category section:
2. Click Add New button to add a new blog category: 
3. Fill in the required fields:
   
4. Confirm the action by pressing the Save button and go to Blog – Blog Post section to check the changes. You’ll see a list of added posts. Click Edit button to open a post you want to assign to a category.
5. Scroll down until you see Blog Category field. There you can choose a category your post can be assigned to:
6. Save changes, refresh your website and check the Blog on the site.

Hopefully, this tutorial was helpful for you.