iOS devices that run Horizon Client must meet certain hardware and software requirements. What to read next System Requirements for iOS ClientsThe iOS device on which you install Horizon Client, and the peripherals it uses, must meet certain system requirements. System Requirements for Real-Time Audio-VideoReal-Time Audio-Video works with standard audio and video devices and with standard conferencing applications such as Skype, WebEx, and Google Hangouts. To support Real-Time Audio-Video, your Horizon environment must meet certain software and hardware requirements. Smart Card Authentication RequirementsClient devices that use a smart card for user authentication must meet certain requirements. Touch ID Authentication RequirementsTo use Touch ID for user authentication in Horizon Client, you must meet certain requirements. Face ID Authentication RequirementsTo use Face ID for user authentication in Horizon Client, you must meet certain requirements. OPSWAT Integration RequirementsAt some companies, an administrator might integrate Unified Access Gateway with the third-party OPSWAT MetaAccess application. This integration, which is typically used on unmanaged devices in corporate bring-your-own-device (BYOD) environments, activates organizations to define device acceptance policies for Horizon Client devices. Supported Desktop Operating SystemsHorizon administrators create virtual machines with a guest operating system and install agent software in the guest operating system. End users can log in to these virtual machines from a client device. System Requirements for Geolocation RedirectionHorizon Agent and Horizon Client, and the virtual desktop or RDS host and client machine on which you install the agent and client software, must meet certain requirements to support the Geolocation Redirection feature.