Tech Support
Windows Version Information
Install & Uninstall:
  Installation Troubleshooting
  CD-Keys
  Disable Background Applications Before Installing
  How to Remove Registry Entries for the Game
  CD-ROM Read Errors
Lock-Ups, Crashes, Start-Up Errors & Drivers:
  Identifying Your DirectX Version
  Video Card Issues
  Sound Card Issues
  System RAM and Performance
  Disable Background Applications
  Run Scandisk and Defrag
Local Area Network Troubleshooting Information:
  General TCP/IP Notes
  Configuring TCP/IP for Local Area Network Use
  Installing the TCP/IP Network Protocol on Windows 98/Me
  Installing the TCP/IP Network Protocol on Windows 2000
  Installing the TCP/IP Network Protocol on Windows XP
  How to Test the Network with the DirectX Tools
  Port Mapping Information for Shared Internet Connections
Patches:
  How to Patch via Battle.net
  How to Patch Manually
  How to Correct Patching Errors