Instruction: Answer the given question by extracting information from the supporting document.

Input:
Question: works for xp professional ?
Document: works great, plug and play no problem. linked right up to my WiFi no problem on windows xp. great product.
This was so easy to use and install and they shipped fast,honestly when I read it,I was skeptical.But on our old desktop with xp,it was so easy to install.It works great and gets great signal.I highly recommend!!! : ))Excellent to do business with.
I put a computer in my room but lacked the correct plugs and wall circuits so I borrowed a wireless adapter that my brother uses on his windows 7 pc, but it did not work for my xp. So I searched for xp compatible wireless adapters and at last I found this, very easily installed and works wonderfully.
Works very well with Windows 7 Professional with or without the provided driver / utility installed. I purchased a second for use with an XP system. Works great there as well.
This usb network adapter works great, easy setup and fast operation. Clean reception throughout the house and backyard. Nice professional customer support email.
The title says it all. I am very happy running this wireless adapter on my 5 year old Dell Win xp workstation using the docking station that came with it. I place it on top of my desktop. It takes a little bit time to establish the connection upon Windows start up, but it works every time. For the few months using it, I haven't experienced any lost of connection.
The wireless adapter works great!!! I get very good download upload speeds. Easy to install on Windows 7 Professional. Has good reliability have no problems with it reconnecting to my network when computer reboots or goes to sleep.
Easy to install. Very professional packaging. Works great. Takes a few minutes to connect and I have it plugged into the dock and cabled to a 6 year old desktop. I don't blame the drive but probably it's because this computer is old. Works great for my kids. They can youtube all day. Highly recommended
It works really well with Windows 7 Professional 64bit (this one was laptop).I also tried with Lubuntu 12.04 64bit. It works there too (this one was a desktop).And for both operating systems, I didn't have to install any driver/software from the provided CD.The only issue I was having is, on my Windows 7, whenever I try to unplug the device, it was gettingthe infamous blue screen of windows.
I tried to use two of these to setup a wireless network. The desktop is window7 Professional and the new laptop is Windows7 home premium. I have a Westell Gateway for broadband access. I can use these to connect to the broadband but they won't work to set up a homegroup network to cross access the computers. After days of fussing with them I settled with a wired connection which works fine.UPDATE. Windows finally got around to recognizing this product and I reinstalled them with no problem and they work as advertised.
Answer: I used it on a Windows 7 OS, but Medialink's literature says it works on XP so I would have a high confidence level that it will work on XP Professional.  I also have a Medialink router that works flawlessly so I have had good experience with Medialink wireless products.