In order to install a new version of the application, you first need to download it. To download the latest version of the software, visit the following official website. The latest version available for PC is 1.0.6. Before you install the new version, to avoid compatibility issues, try to uninstall the older one. You can do that by going to Start > Control Panel > Add or Remove Programs (Windows XP) or Programs and Features (Windows 7) > select the program and hit Uninstall.