install ntfs-3g using synaptic package manager from debian dvd.
open the root terminal and type
$>mkdir /media/windows/c ( here we are just making a folder named c in windows in media folder found in / to mount dev/hda1, usually c drive or the first available partition in other case).
To mount drive after the startup, open the root terminal and type
$>mount -t ntfs-3g /dev/hda1 /media/windows/c
To mount partition automatically before the startup, open the root terminal and type
$>nautilus
Now your root folder in / pops up. Go to /etc using the window. open the file fstab in etc folder and add the line
/dev/hda1 /media/windows/c defaults 0 0
Note: use tabs instead of spaces between the above blocks of words.
Good Bye
