This article will show you how to create a Category in the Blog module.
Who can use this feature?
System Administrators | Owners | Publishers | Authors
Instructions
Navigate to Modules. Click on Content, then Blog:

Click on the Add Category button:

Fill in the information fields:

Blog Name: Name you wish to give your blog
Description: Add a brief description of the blog
Image: Upload an image to your blog
Blog Header: Create a header on your blog
Comments Option
No comments: No users can comment on blogs
Moderated: Comments can be posted, but require approval first
Unmoderated: Comments can be posted freely
Allow Subscribers: Select yes or no to whether or not users can subscribe to the blog
Show Archives: Allows users to view archived blog posts
Email List: Controls if users can subscribe to email notifications
Add Item RSS Behavior and Modify Items RSS Behavior
Always Ask: Asks if you wish to include the new or modified item in RSS feeds
Do Not Include in RSS Feed: Will not allow new or modified items to show in RSS feeds
Include in RSS Feed: Always includes new or modified items in RSS feeds
Permissions: Fill out the permissions table as desired. For information on permissions, view the Permissions User Guide.
Note:
If a group is grayed out, that means the group has permissions at the module level. You cannot change these at the category level.
Default Messages Tab: Edit Default Messages for the Blog
Subscriber Welcome Message: The email that a subscriber receives when they first sign up
List Header: Text in the header of a blog list
List Footer: Text in the footer of a blog list
Select a Save option:

Save: Saves your blog as an unpublished item
Save and Publish: Saves the blog and publishes it on the public end