i dont really no anything about computers but i have been given a Celeron 1000Mhz mini-tower PC running Windows Millenium which has been and i quote
"freshly installed and patched from Windows update. Software installed includes freeware Antivirus, Firewall, Firefox and Open Office 2. PC has USB1 ports, an ethernet port and sound hardware but no modem."
for my grandaughter i would like to update the windows to xp which i have a windows xp disc for do i just put it in and run the disc ? and i also run a pc at home and wireless laptop all on bt home hub i also have a spare netgear wireless adsl modem router could i connect to the older pc to make it wireless instead of buying a wireless usb stick and info would greatly taken in lol