Installing XP Pro in Spanish

[Norman]

Do you need to have the Spanish version of the software
to install the OS in Spanish or can you download a update
or language pack or something?

 

[Jupiter Jones [MVP]]

Norman;
You need to buy Windows XP in the language you want, you can not
select or change the language.
The MUI is only available to Volume License users:
http://www.microsoft.com/globaldev/DrIntl/faqs/MUIFaq.mspx