General system requirements
    * Microsoft ® Windows 98/98SE; Windows 2000 (service pack 4 or later);
      Windows XP; Windows 2003 server 
    * Microsoft® Windows XP Professional x64 Edition (All applications beside
      InCD and Nero ImageDrive work in the x86 emulator that allows 32-bit
      Windows applications to run) 
    * Microsoft® Windows Internet Explorer 4.0 or later 
    * LightScribe support is only available for Windows 2000
      (Service Pack 4 or later) and Windows XP or Windows MCE 2004 or greater
      operating systems

Size: 34 MB

http://uploading.com/files/WDUM9FHB/Nero%206%20Ultra.zip.html