Follow this link and download the 3.1 installer Open the installer file on your computer and follow the instructions Re-start RadarOpus and follow the prompts (the installer will normally make an automatic back up of your old files) Import your back up (if you have one) IMPORTANT NOTICE: RadarOpus 3.1 is a FREE version for anybody updating from RadarOpus 2.2 or purchasing a new RadarOpus. If you have a version older than version 2.2, please ensure you PURCHASE RadarOpus 3.1 before installing the update. Installing a RadarOpus 3.1 on a device without having purchased it or being granted access will result in your RadarOpus NOT opening. If unsure please contact our tech support.