Microsoft's Windows XP Professional X64 Install step by step
PART 1
To begin insert your Windows XP Professional X64 CD and reboot you computer. Setup will boot automatically and then inspect your computer hardware and configuration.
Setup now prepares your computer for install.
From this menu press "ENTER" to begin the install.
Windows XP License agreement, read, and if you agree press "F8" to continue, press "ESC" if you disagree. If you disagree setup will finish.