yes, you will have to install from a cd, just like you would a windows install. so make sure you make the drive you want have a name or something that you can easily identify the partition by. size or whatever it may be, because you will whipe out your windows if you choose the wrong partition
*Edited*
Here is a good how-to on dual booting linux/windows.
http://www.geocities.com/epark/linux/grub-w2k-HOWTO.html
see if that might help
*Edited*
Here is a good how-to on dual booting linux/windows.
http://www.geocities.com/epark/linux/grub-w2k-HOWTO.html
see if that might help