Follow the steps below to install and activate the Sense theme:
Access Ghost Admin
Log in to your Ghost Admin at yoursite.com/ghost
Navigate to Design Settings
Go to Settings > Site > Theme yoursite.com/ghost/#/settings/theme
Change Theme
Click "Change theme" in the right corner yoursite.com/ghost/#/settings/design/change-theme
Upload the Theme
Click "Upload theme" and select the sense.zip
file from your computer.
Activate the Theme
Once the upload is complete, click "Activate" to apply the theme to your site.
Your site will now be using the Sense theme.