Problems with Windows XP and Vista dual systems

        In the alternating period of old and new systems, multiple systems should be the best choice. It is recommended that you keep the Windows
XP system when you install Vista. Assuming that the C drive has Windows
XP installed, you can install Vista on the D drive. First of all, to ensure that the D drive is NTFS partition, and there is more than 15GB. Insert the Vista installation CD under Windows
XP and follow the prompts until the installation is complete. Tip: Some Vista installation CDs integrate all versions, use different serial numbers, and install different versions. The installation type is best to choose "custom (advanced)", this method is also called a new installation, can get a more thorough Vista experience. Vista installation is simpler and faster than Windows
XP