1. Create an account at Triggmine
2. Go to Triggmine page at Magento Connect extensions (modules): https://www.magentocommerce.com/magento-connect/triggmine-triggered-messaging-for-e-commerce.html
Or download from GitHub: https://github.com/TriggMineAdmin/TriggMine-Magento-1
3. Follow the standard installation instructions for extensions via Magento Connect: http://info2.magento.com/rs/magentosoftware/images/InstallingMagentoConnectExtensions4%200.pdf
4. After successfully installing the extension, log out and log in to your Magento admin to refresh the session.
5. Go to the module configuration page using System > Configuraion > <select Store in the Configuration Scope> > Triggmine (under General tab)