I am assuming on desktop after installing XP if so download onto another machine and transfer over, install in order specified:

 

1. Download XP Service Pack 3:

http://www.microsoft.com/downloads/details.aspx?FamilyID=5b33b5a8-5e76-401f-be08-1e1555d4f3d4&DisplayLang=en

 

Download the following drivers from here:

 

http://support.euro.dell.com/support/downloads/driverslist.aspx?c=uk&cs=ukdhs1&l=en&s=dhs&ServiceTag=&SystemID=DIM_PNT_9200_XPS_410&os=WW1&osl=en&catid=&impid=

 

2. Dell System Desktop Software Under System Utilities

 

3. The Chipset drivers

 

4. Then the Correct Video Driver under  Video

 

5. Then the two Conexant Drivers Under Communications

 

6. Then the Intel Drivers Under Network

 

7. Then depending what you have Dell Wireless Card you have under Network

 

8. Then the Sigmatel Driver or Creative Labs Drivers under Audio

 

9. Install the two Dell Diagnostic Drivers

 

10. Go here: http://www.istartedsomething.com/20061029/royale-noir/ and you can download a Black XP and XP Media Centre Edition Colours.

 

11. If using msn messenger download from here: http://www.softpedia.com/get/Internet/Chat/Instant-Messaging/MSN-Messenger-8.shtml and download this http://www.apatch.org/ to customise the messenger and get rid of adverts.

 

12. Download and install windows media player 11 and the Klite Codec Pack:

http://www.microsoft.com/downloads/details.aspx?FamilyID=1d224714-e238-4e45-8668-5166114010ca&DisplayLang=en

http://www.softpedia.com/progDownload/KLite-Codec-Pack-Download-16475.html

 

13. Also recommend you download and install Adobe Reader 9 and PDF Creator here in order to read and print PDFs:

http://www.adobe.com/

http://sourceforge.net/project/showfiles.php?group_id=57796

 

This will give you the basic functionality, you will to determine if any of the others are applicable, e.g. Input Device Drivers. Also visit windows update to get latest updates and internet explorer 7 and install security software. Hope that helped.