Follow these instructions if you're searching for some techniques on how to show mac addresses of available networks in your area.
 
1. Run CMD - either by typing on windows search bar or via the run program (windows key + R).

2. Type the following command below to show available networks in you area.

   - netsh wlan show network

3. Now let's reveal the BSSID of these networks.

- netsh wlan show network mode=bssid

And there it is you already have it... Enjoy exploring!