and double click to start it on the lower right hand corner of your computer desktop. Or you can 
N900UBE specifications
The Rosewill N900UBE is a high-performance wireless USB adapter that brings speedy Wi-Fi connectivity to your desktop or laptop. Designed for users who demand fast internet access for activities such as gaming, streaming, and browsing, the N900UBE is a robust device that integrates seamlessly into various environments.One of the standout features of the N900UBE is its dual-band capability, supporting 2.4GHz and 5GHz frequencies. This feature allows users to choose the optimal band for their internet activities. The 2.4GHz band offers wider coverage and is perfect for basic browsing and downloading, while the 5GHz band provides faster speeds ideal for high-bandwidth tasks like HD streaming or gaming without lag.
Equipped with advanced 802.11n technology, the N900UBE boasts a high data transfer rate of up to 900Mbps when both bands are combined. This ensures a reliable and stable connection, minimizing interruptions during intense gaming sessions or while watching movies online. The backward compatibility with earlier Wi-Fi standards, such as 802.11g and 802.11b, ensures that it can be used with a variety of routers and devices.
The adapter features a compact design with a convenient external antenna that enhances signal strength and transmission range. This results in improved performance in areas with weak signals, allowing users to maintain connectivity even at greater distances from the router. The USB 2.0 interface makes it plug-and-play compatible with most devices, simplifying installation and setup.
Security is also a priority for the N900UBE, which supports various encryption protocols including WPA and WPA2 to ensure that your connection remains safe from unauthorized access. Its user-friendly setup utility allows for easy configuration, making it accessible for both novices and tech-savvy users.
In summary, the Rosewill N900UBE wireless USB adapter is a versatile and efficient solution for anyone seeking enhanced Wi-Fi performance. With dual-band support, impressive transfer speeds, extended range capabilities, and robust security features, it’s an excellent investment for elevating your home or office network experience. Whether for casual use or demanding applications, the N900UBE stands out as a reliable option in the realm of wireless connectivity.