Thanks you very much for your question.
To set up your Brother Wireless Printer on your Windows computer you need to make sure you know the network setting and that the printer and computer are connected to the same Wi-Fi network. After you connect the printer to the network, you can follow the steps given below to set up it up with your Windows computer:

Step 1: Type “Windows + Q” in the search menu
Step 2: Search for “printer” and click ‘Printers & Scanners’.
Step 3: Click the ‘Add a printer or a scanner’ option.
Step 4: Select the Brother Wireless Printer from the list of devices and click ‘Add device.’
If you have any trouble completing the step mentioned above, you can call the Brother printer customer support number and ask for additional help.

read more: Brother Printer customer service

Thanks