Consider you are logged in the AdminCP. Go to Apps >> Installed >> Pages

• Re-arranging Categories: Drag up and down to rearrange categories
  
• Enable/Disable a Category: Toggle the ON/OFF button to enable/disable a category
  
• Edit a Category:
  1. From the Manage Category tab, click the setting icon of the category you want to edit. Then, select Edit.
     
  2. Edit that specific category by the following options:
     1. (1) Name: Rename the category.
     2. (2) Upload, change or delete the image
     3. (3) Submit when done
        
• Manage Sub-Categories
  • From the Manage Category tab, click the setting icon of the Category, then Select Manage sub-categories
    
  • Edit the sub category. Clear Cache when done.