The Linksys WUSB6300 v2 and Linksys WUSB6400M are dual-band wireless adapters that can provide high-speed Wi-Fi capability to your Mac® computer. These adapters are compatible with the following operating systems:
NOTE: The Linksys WUSB6300 v2 is used in this article. The images and steps may vary slightly if you are using the Linksys WUSB6400M.
Before proceeding, it is recommended to disable your Mac computer’s built-in Wi-Fi adapter. To do this, click on the Wi-Fi icon and click on Turn Wi-Fi Off.

Step 2:
Look for the file you just downloaded and extract the contents.
Step 3:
Double click on Setup.pkg.

For instructions on installing your adapter on a Windows® desktop, click on the links below:
Linksys WUSB6300 v2
Linksys WUSB6400M
- WUSB6300 v2: OS X® 10.11 (2015 version) to OS X 10.15 (2019 version)
- WUSB6400M: OS X 10.9, OS X 10.10, OS X 10.11, and OS X 10.12
NOTE: The Linksys WUSB6300 v2 is used in this article. The images and steps may vary slightly if you are using the Linksys WUSB6400M.
Before proceeding, it is recommended to disable your Mac computer’s built-in Wi-Fi adapter. To do this, click on the Wi-Fi icon and click on Turn Wi-Fi Off.

Step 1:
Click on a link below to download the latest setup software or utility for the adapter. You can either connect your computer directly to the modem or router or use a flash drive and download the file from another computer.
Click on a link below to download the latest setup software or utility for the adapter. You can either connect your computer directly to the modem or router or use a flash drive and download the file from another computer.
Step 2:
Look for the file you just downloaded and extract the contents.
Step 3:
Double click on Setup.pkg.

Step 4:
Click on Continue.
Click on Continue.

Step 5:
Read the Software License Agreement and click on Continue then click on Agree.
Read the Software License Agreement and click on Continue then click on Agree.

Step 6:
Click on Continue Installation.
Click on Continue Installation.

Step 7:
If prompted to enter your login credentials, enter your password and click on Install Software.
If prompted to enter your login credentials, enter your password and click on Install Software.

Step 8:
Click the Restart button to restart your computer.
Click the Restart button to restart your computer.

Step 9:
After you have restarted your computer, connect the adapter to an available USB port on your computer.
After you have restarted your computer, connect the adapter to an available USB port on your computer.
Step 10:
You can now connect the computer to the Wi-Fi. On the menu bar, click the Linksys WUSB6300 v2 Wi-Fi icon (adapter icon with green waves) and select your Wi-Fi network. If the Wi-Fi is secured, enter the Wi-Fi password when prompted and click on Join.
You can now connect the computer to the Wi-Fi. On the menu bar, click the Linksys WUSB6300 v2 Wi-Fi icon (adapter icon with green waves) and select your Wi-Fi network. If the Wi-Fi is secured, enter the Wi-Fi password when prompted and click on Join.

Linksys WUSB6300 v2
Linksys WUSB6400M
Related Video:
Setting up the Linksys WUSB6400M in Mac (VIDEO)