Version number 22.23.21 is the latest version of Norton for Windows. This new update is available for:Current Products:Norton 360Norton 360 for GamesNorton Antivirus PlusLegacy Products:Norton SecurityNorton Internet SecurityNorton 360Norton AntivirusNorton Security OnlineVersion number 8.8.3 is the latest version of Norton for Mac. This new update is available for:Current Products:Norton 360Norton Antivirus PlusLegacy Products:Norton SecurityNorton Internet SecurityNorton Antivirus