The Linksys WUSB6400M AC1200 MU-MIMO USB Wi-Fi Adapter is a dual-band wireless adapter that upgrades your Windows®-based laptop, MacBook® or desktop computer to the latest Wi-Fi standard. This article will help you install the driver for your wireless USB adapter using the Setup.exe file on a Windows® computer. To learn how to set up using a Mac® computer, click here.
NOTE: The Linksys WUSB6400M supports Windows® 7, Windows® 8 / 8.1, and Windows® 10 operating systems.
Before proceeding, make sure the Linksys WUSB6400M is NOT connected to your computer.






NOTE: The Linksys WUSB6400M supports Windows® 7, Windows® 8 / 8.1, and Windows® 10 operating systems.
Before proceeding, make sure the Linksys WUSB6400M is NOT connected to your computer.
Step 1:
Insert the Setup CD into your computer’s CD Drive and run the Setup.exe file.
Insert the Setup CD into your computer’s CD Drive and run the Setup.exe file.

QUICK TIP: If you lost your Setup CD, you can download the Setup Utility from the Linksys WUSB6400M Downloads page.
Step 2:
Click Next >.
Step 2:
Click Next >.

Step 3:
Read the END USER LICENSE AGREEMENT and check I accept the terms of the license agreement checkbox. Then, click Next >.
Read the END USER LICENSE AGREEMENT and check I accept the terms of the license agreement checkbox. Then, click Next >.

Step 4:
Wait until you are prompted to connect the wireless USB adapter.
Wait until you are prompted to connect the wireless USB adapter.

NOTE: If you have not connected the wireless USB adapter by the time the progress bar has been completed, you will receive the Unable to find your adapter! message. Connect or reconnect your wireless USB adapter and click Yes to try again.

Step 5:
Once your wireless USB adapter is detected, it will install the driver.
Once your wireless USB adapter is detected, it will install the driver.

Step 6:
Click Finish.
Click Finish.

NOTE: Disable your built-in wireless USB adapter to make sure you are using the Linksys WUSB6400M to connect to your Wi-Fi network.
Step 7:
You may now connect to your wireless network. If you are using Windows 7, click here. For Windows 8 / 8.1 and Windows 10, click here.
Step 7:
You may now connect to your wireless network. If you are using Windows 7, click here. For Windows 8 / 8.1 and Windows 10, click here.
Related Articles:
Linksys WUSB6400M Frequently Asked Questions
Getting to know the Linksys WUSB6400M AC1200 MU-MIMO USB Wi-Fi Adapter
Setting up the Linksys WUSB6400M AC1200 MU-MIMO USB Wi-Fi Adapter
Related Video:
Getting to know the Linksys WUSB6400M wireless adapter (VIDEO)
Setting up the Linksys WUSB6400M in Windows® (VIDEO)
Setting up the Linksys WUSB6400M in Mac (VIDEO)
Connecting the Linksys WUSB6400M to the wireless network using Wi-Fi Protected SetupT (WPS) VIDEO