unBlock (free) gives you 3 blog layouts:
- Classic Left Sidebar
- Classic Right Sidebar
- List No Sidebars
For the premium version, you get the above plus an additional 3 blog layout styles:
- Cards (premium)
- Masonry(premium)
- Minimal (premium)
By default, unBlock is installed with the Classic Right layout chosen.
- Go to Appearance > Customize > Layout Options
- Look for the Blog Layout setting and make your choice from the dropdown list.
- Click the Publish button.