hi there i installed the second hard disk SATA Hard Drive 160Gb Seagate 7200.7 ST3160023AS with no problems on my dell dimension 5000 its coming up as a C drive so do i have formatt it to windows or do i just leave it the way it is the Drive has been fdisked and formatted to NTFS already for OS i want to use it with the hard disk i have already to install programs on it as my hard disk is nearly full any advice.