Below are the steps to find your MAC address
Follow the steps for your operating system.

Windows 98 Users

• Click on the Start Button
• Select "Run"
• Type winipcfg
• Click on the "More" button
• Look for the MAC Address Field

Windows VISTA Users

• Click on the Start Button
• In the Search field type "cmd" enter 
• At the command prompt, type "ipconfig /all"
• Look for the section that contains information about your wireless network card
• Mac Address will be labeled "Physical Address"

Windows 2000/XP Users

• Click on the Start Button
• Select "Run"
• Type cmd and hit enter
• At the command prompt, type "ipconfig /all"
• Look for the section that contains information about your wireless network card
• Mac Address will be labeled "Physical Address"

RedHat Linux Users

• Open a shell
• Type "ifconfig"
• On the first line of the section for your wireless network card, look for the field that says HWAddr

Mac OSX Panther Users (10.3.0 and higher)

• Click on Apple icon in the upper left hand corner
• Click About This Mac
• Click the More Info button
• In the System Profile window, select Network
• Select the Airport tab
• Look for Ethernet Address, this is your Mac Address

Mac OSX Jaguar Users (10.2.0 to 10.2.8)

• Click on the Apple icon in the upper left hand corner
• Click About This Mac
• Click the More Info button
• In the Apple System Profiler, select System Profile
• Select Airport
• Look for Ethernet Address, this is your Mac Address