Diagnostic Link System Requirements:  Minimum Hardware Windows 2000 or Windows XP Pentium 3 Processor, 400 MHz 256 MB RAM 10 Gigabyte Hard drive with 1 Gigabyte free 8x CD ROM Drive Monitor and graphics card supporting 1024 x 768 resolution and 16 bit color Parallel port, 1 free USB port Internet or Mainframe Connection to DDC Server (for updates) ** Translator Boxes (Detroit Diesel Multilink, Nexiq Magic Key, Nexiq USB-Link) Recommended Hardware Windows 2000 or Windows XP Pentium 4, 1.5 GHz 512 MB RAM 40 Gigabyte Hard Drive with 5 Gigabytes free 32x CD/DVD ROM Monitor and graphics card supporting 1280 x 1024 resolution and 32 bit color Parallel port or 3 free USB ports Internet or Mainframe Connection to DDC Server (for updates) Translator Box (Nexiq USB-Link)   Purchasing New and Update Detroit Diesel Diagnostic Link Software  Distributors & Dealers: DDDL can be purchased by completing the form available by logging onto DDCSN. Customers: Contact your local Detroit Diesel distributor or dealer for more information. Installation The next screen you will see is the "HighwayMaster" dialog box.  DO NOT ENABLE THIS FEATURE.  Click "Next" to continue. This is an updated screen shot for the DDDL registration screen.