Super-Fast Speed: With AC1200 WiFi speeds (867 Mbps on the 5 GHz band and 300 Mbps on the 2.4 GHz band), you can utilize your network to its fullest. One Compared to Bluetooth 4.0, Bluetooth 4.2 offers a 2.5x faster speed and a 10x larger packet capacity. Broad Wireless Range: Use two external high-gain antennas to connect to your WiFi from a greater distance, guaranteeing increased stability and range. Simple Installation: After inserting the adapter into a PCI-E slot that is open, use the included CD to install the drivers. Supported operating systems include Windows 10, 8.1, 8, and 7 (32/64-bit). 2. If you're having trouble with the CD or don't have a CD Rom, please go to our homepage and search The Archer T5E Driver can be downloaded from the Archer T5E support page.