windows xp itself is the software needed. i think the word you are looking for is hardware. you can find the answer to that by looking on the box under "minimum system requirements" or by searching for "what are windows xp's minimum requirements?" on any search engine.
User interface
Windows XP is an operating system usually used for PCs.
Windows XP is an operating system.
Windows XP business software is a very famous software and is used by many people. People can expect to pay different prices for Windows XP business software. It will depend on where they live and if it has a discount or not.
Windows xp professional
Not sure how to answer but Windows 95, Windows 98, Windows, 2000, XP, VISTA, 7, MACOS, Ubuntu and others.
You can download software after the installation of windows XP. System software are installed along with the set-up.
YES!
windows xp
Windows Vista can already run most XP applications, with no need for any additional software.
Transcription XP is a software that is used to transcribe audio files for Windows XP.
There are many stores where one could buy software for Windows XP. Amazon is one of the places one could purchase software for Windows XP. It could be purchased also directly from any computer and electronics store.