Extension package is build according to Magento guidelines. Installation process is usual. Please follow How to Install an Extension in Magento 1 article.
Responsive Emails for Magento 1 User Guide
- Installation
- Configuration
- How to create a new email template
- Templates for 3rd party extension
- How to add missing totals
- How to remove "Grand Total to be Charged"
- How to add custom block
- Troubleshooting
General Information
Contact Support