The Sonitrol Viewer enables clients to view Sonitrol security footage which is in a proprietary format for security purposes. If you are a client who needs the free Sonitrol Viewer to display security footage, click on the button below to begin downloading the installer. Once the installer has downloaded, double-click the file to begin installation and follow the onscreen prompts. When the Sonitrol Viewer is ready to use, a sample video will be displayed. You will now be able to open and view Sonitrol security footage on your computer.