Is there a way to use xcopy to copy 1 hard drive (OS and all info) to another Hard drive? Both Drives are using NTFS. I have an old 5400 RPM 6 gig HD that I want to replace it with a 7200 RPM 20 gig HD. If I don’t have to do an install of an OS and use the one that is already on the other drive that would be prefered. When I do this I would also need to know if the size of the original partitions would matter. The main OS is Win 2000.