1) The document provides instructions for installing and connecting to a 11ac Dual-Band Wi-Fi Dongle 900. It explains how to install the driver software, connect to available wireless networks, and troubleshoot connection issues. 2) Setup requires inserting the dongle and visiting a website for installation instructions. Users then choose their router from the list of available connections and enter the network security key. 3) The dongle is compatible with Windows Vista, 7, and 8 but not Apple Mac or earlier Windows versions. It has status lights to indicate when it is on, off, or transmitting data. The manufacturer provides a 1-year guarantee and customer support contact information.