Supported operating systems: for WindowsXP/Vista/Win7/Win8/Win8.1/Win10/Win11.(Since has stopped service support for XP system, it is not recommended to use XP system) Since the WIFI adapter itself does not have a soft AP launch driver, the "WIFI hotspot function" needs to be used with applications, such as 360, WIFI Sharing Master, and other APPs. Product Name: 1300Mbps WiFi USB Adapter Product interface:USB3.0 Product frequency band:2.4G+5.8G Frequency range:5.8Ghz:4905-5915MHz 2.4Ghz:2412-2484MHz Transmission rate:400Mbps+867Mbps=1300Mbps Antenna:4 external antennas Antenna Standard:IEEE802.11b/g,IEEE802.11ac Support system:for WindowsXP/7/8/8.1/10/11 Fast Installation Guide: 1. Plug the WIFI adapter into the computer USB3.0 port 2. Open "This PC" or "My Computer" 3. Double-click to open [Setup.exe] 4. Click [Install] to automatically install the driver. After the driver is installed, the interface will automatically disappear. 5. Click the "WIFI logo" in the lower right corner of the [Task Bar], select Connect to WIFI, click Connect, and you can use it. Warm Tips:We suggest you to insert wireless dongle into back USB3.0 port of your desktop,because usb port in the back can provide more power. Colour:Black Material:ABS Size:58x66x72mm Package Contents: 1 * WiFi USB adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.