Installing XP After Vista

Adding Windows XP to a PC with Windows Vista Already Installed

One of the most common problems encountered in configuring a dual-boot between Windows XP and Windows Vista happens when you try to install Windows XP on a computer with Windows Vista already installed. When you install Windows XP, it’ll remove the Vista bootloader and use its own instead.

If you follow these instructions, you should be able to add Windows XP to a system that already has Windows Vista – with minimal headache and no loss of data.

Prepping the Machine for an XP Installation