You will need Adobe Air Environment in order to run and install the sms.air file. If don't have Adobe Air Environment in your computer, you can get it from http://get.adobe.com/air/. 

After installing Adobe Air Environment, click on sms.air to start the installation of attenzoSMS.

Important note: if you already have attenzoSMS installed and you want to update it, it is highly recommended to make a backup of your contacts
prior installation. To do so, go to your contacts panel and click on the 'export' button. 

The recommended way to update the application is by clicking on "check for updates" inside the application, or by accepting an automatic update.
