Finding my MAC address on my Windows 7 device:

1. Select the Start

2. Select Control Panel. Once there, make sure you are in the icon view. This can be changed from Category View to Icon view in the top right corner of the control panel. 

3. Select Network and Sharing Center

4. Select Change Adapter Settings in the left pane

5. Right click the wireless adapter and select Status

6. Select Details

7. Locate the Physical Address in the list. This is your MAC address. 

Locating a Mac Address on Windows 7 from Keegan Hartman on Vimeo.