How to Find the Hardware Address of your Computer

Current operating systems are listed on top.  Legacy operating systems are below.

For PC Users:

Running WinNT/2000/XP:

1. Pull up/down the Start Menu to "Run".
2. Type in "cmd" and hit return. This opens up a DOS window.
3. Type "ipconfig /all" in the DOS window.
4. Your Hardware Address should be listed as the "Physical Address" for your Ethernet and/or wireless adapter under their respective headings.

For Macintosh users:

For MacOS X:

1. Open the System Preferences
2. Click on Network
3. Pull down "Show" to "Built-in Ethernet" (and/or “Airport”)
4. MacOS 10.3: click on the “Ethernet” tab (and/or “Airport”)
5. The Ethernet ID shows up at the top of the window.
6. The Ethernet Address/Ethernet ID (or Airport ID) shows up in the bottom of the window.

Legacy Operating Systems:

For PC Users:

Running Win95/98/ME:

1. Pull up/down the Start Menu to "Run".
2. Type in "winipcfg" and hit return.
3. This opens up a graphical window with your TCP/IP networking information in it.
4. There is a drop down menu in WinIPCfg of your adapters. If not already selected, pull it down to your Ethernet card (and/or Wireless card).
5. Do not give us the PPP adapter address.
6. Your Hardware Address should then be listed in WinIPCfg as the "Adapter Address".

For Macintosh users:

Running MacOS 8/9

1. Open the AppleTalk Control Panel.
2. Select "Built-in Ethernet" from the "Connect via" menu
3. Pull down the "File" menu to "Get Info". The Hardware Address of the ethernet card should be listed there.
4. Select "AirPort" from the "Connect via" menu
5. Pull down the "File" menu to "Get Info". The Hardware Address of the AirPort card should be listed there.