This user guide for ExtremeCloud™ IQ Controller version 10.15.01 provides comprehensive technical instructions for configuring, managing, and deploying Extreme Networks Wi-Fi 7, Wi-Fi 6, and 6E-enabled infrastructure. It details centralized management of access points and switches, including advanced features such as WPA3 authentication, dynamic RF management, GRE point-to-point tunneling, and client bridge mode. The guide introduces support for AP4020 Wi-Fi 7 access points with quad-radio design and outlines compliance for World-Wide Universal Access Points. It includes step-by-step procedures for configuring VLANs, mesh networks, captive portals, and policy roles, as well as managing BETA AFC (Automatic Frequency Coordination) and geo-location services. The document also covers dashboard customization, troubleshooting tools like packet capture and Smart Poll, REST API access, and licensing workflows. Designed for network engineers, the guide supports scalable, secure, and high-performance wireless deployments and provides detailed configuration examples, best practices, and diagnostics for enterprise environments. This release introduces AP4020X and AP4020FX Extreme Wi-Fi 7 access points variants, which support 6 GHz Standard Power and are ideal for indoor AFC deployments. These enhanced security features are also included in the release: user authentication with RADSEC, an Inter-Controller Data Tunnel (ICDT) that uses IKE/IPSEC, and improved SNMPv3 protocol support to align with modern security standards and compliance requirements.