Windows</br>Microsoft Windows XP (all 32-bit versions) with Service Pack 3 (SP 3) or later</br>Microsoft Windows Vista (all versions) with Service Pack 1 (SP 1) or later</br>Microsoft Windows 7 (all versions) with Service Pack 1 (SP 1) or later</br>Microsoft Windows 8/8.1 (all versions). Some protection features are not available in Windows 8 Start screen browsers.</br>Microsoft Windows 10 (all versions). Edge browser not supported.</br>