Quick start XP in Vista under dual system

        Install Windows XP and Windows Vista dual system, boot into the new boot manager. Because to start the original Windows XP system, it must be a bit cumbersome to choose twice. The specific modification method is as follows: 1. From the Windows Vista installation directory, find the winload.exe in Windowssystem32 and copy it to the WindowsXP installation directory under Windowssystem32. 2. Modify boot.ini Add the parameter /usenewloader to the Windows XP system startup item. After the completion, directly enter the Windows XP system.