How to find the address of Communication ports

I am using Windows XP SP3 OS as a virtual machine, on Windows 7 Enterprise OS. I am currently working on a project which requires an editing of license which must be edited to suit the Windows XP and is asking to edit the port address. Hence, I would like to know how to find the port address on Virtual Windows XP machine.

Any help with regards to this is highly appreciated.
 
Open a command prompt & type in "netstat" (without quotes) for specific things you may or may not need, at the command prompt type: "netstat /?" (without quotes) this will give you a list of modifiers to pull exactly what port info you need. This will work on Windows Xp & newer. Hope this helps!!
 
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