Multiboot

A third option that you need to be aware of is dual boot ormultiboot installation.
BothWindows 2000 andWindows XP can install in a separate folder fromyour
existing copy of Windows. Then every time your computer boots, you’ll get a
menu asking you which version of Windows you wish to boot. Multiboot
sounds great, but it has lots of nasty little problems. For example, let’s say you’ve
got a systemrunningWindowsMe that you would like to upgrade toWindows XP.
WindowsMemust use either a FAT or a FAT32 file system;Windows XP can use
these old file systems, but you’ll miss out on the benefits of using NTFS.