Installing windows is pretty easy if you know what you are doing, but it can be a complete mess if you are still learning. Dual booting can have advantages if you have a game that support one platform or you want to learn to use a different operating system.
You can install windows NT(Windows 2000 and Windows XP) as part of a dual boat or multi-boot combination, with windows 9x. It is also possible to run any Microsoft Operating system with Linux.
The Requirements for setting up dual-boot system are relatively minimal compared to a single boat. The biggest disadvantage of dual boot is Disk space, and depending on whether you will be dual booting windows 9x with windows NT or Microsoft operating system with Linux, you my have to install a second hard drive or partition the one you are currently using. There are software