
If you install Windows 7 then Windows XP, there will be no boot manager and you can only boot from Windows XP.Ģ. That is to say, you must install Window XP firstly, after that, install Windows 7. To use Windows 7 boot manager normally, you have to install different Windows from lower version to higher. There are two huge disadvantages of Windows boot manager.ġ. Though Windows 7 built-in boot manager is easy to use, it also has some disadvantages. After installing Windows 7 and reboot, the boot manager will let you to choose booting from which operating system. If you installed Windows XP before and you want to install Windows 7, you just need to install Windows 7 to another partition normally, after that, Windows will create a boot manager automatically. In fact, Windows provides boot manager to manage multi operating systems and it helps you boot from either. For example, Windows 7 & Windows XP, Windows & Linux. You may need Windows 7 boot manager to manage multi operating systems.

Windows 7 has been released for a long time and many users have installed it.
