This chapter has provided only the briefest overview of the Windows 2000 system and a look at just a few of the thousands of changes, large and small, that have been made. Deciding how to implement Windows 2000 on your system requires thought and planning. Although planning and design are important elements in nearly every chapter in this book, the next three chapters are devoted exclusively to the subject. Chapter 2 addresses your use of Active Directory. Chapter 3 covers planning namespace and domains. Finally, Chapter 4 covers the matters to be considered before deploying your first copy of Windows 2000.