HearBuilder System Requirements Computer Supported operating systems: Windows macOS (Mac OS X) Chrome OS Linux A WebGL (HTML5) compatible browser: Chrome 27 or higher Firefox 24 or higher Microsoft Edge 18 or higher Safari 5.1 of higher Additional Requirements: 500 MB of free drive space Headphones or speakers Minimum screen resolution of 1024 x 768 Broadband Internet connection iOS iOS 7 or higher Up to 1 GB available storage if downloading all four apps Broadband Internet connection Android Android 2.2 (Froyo) or higher (Fire OS if using an Amazon Fire Tablet) Up to 1 GB available storage if downloading all four apps Access to the Google Play Store or Amazon Appstore Broadband Internet connection Legacy Flash Support Adobe Flash is still supported as a fallback should your browser not support WebGL (HTML5). For "frozen" computers we recommend keeping the Flash cache thawed or keeping the machine thawed for the initial sessions. CD-ROM Requirements Windows XP or higher OR Mac OS X 10.6 or higher 2 GB of RAM 250 MB of free drive space CD-ROM Drive CD must be inserted in drive to run the software. Data collected is stored locally on the hard drive. CDs do not provide access to subscription features such as online login or iPad/Android apps.