Designed for Windows 10 or above, this biometric authentication solution with security key functionality supports the latest web browsers (Chrome, Edge, Firefox and Safari). Cross-platform compatibility on macOS and ChromeOS is supported via our Tap-and-Go feature (i.e. security key). Please note that some services may require Security Key sign in setup to be performed on a Windows-based computer, in order to allow biometric authentication; see our support page (kensington.com/software/verimark-setup) for a list of compatible services. Tap-and-Go combines a username and password with second-factor security key authentication, to enable extra security on non-FIDO2 services. FIDO2 and FIDO U2F certified, VeriMarkGuard offers expanded authentication options for FIDO2 biometric authentication services as well as FIDO U2F services requiring security key functionality. Provides strong single-factor (passwordless), dual, multi-factor and Tap-and-Go support, making it the best biometric auth