Link: WinSimple Software: Duplicate Commander 0.5
This tool is compatible with all the versions of Windows and has been tested successfully on Windows 7 Ultimate-32 bit edition.
256 MB of RAM (1 GB highly recommended)
800MHz Pentium 3 Processor
1 MB of Hard Drive space (200 KB for the portable version)
.NET Framework 4.0
NTFS formatted hard drive