Macrium Reflect is a Disc Imaging Backup Software to make a complete *.mrimg or *.iso copy of your hard drive.
Main features :
Access images in Windows Explorer
Linux Rescue CD
Windows PE Rescue Media (RAID support)
Windows XP / Vista / 7 / 8 compatiblity
Support for GPT
It has a built-in scheduler, you can set it up to create backups of the windows harddrive automatically in the background, during you work with Windows. More Info »
Images can be saved off to network drives, DVDs, or removable drives (USB and FireWire).
Images can be password-protected for the security of your data.
It uses Windows' Volume Shadow copy Service (VSS).
The backup images can also be mounted as a virtual drive, which can be very useful for retrieving separate files: you can also restore single files or folders, but backup only the full drive C.
You can restore or migrate the Operating System to a larger harddisk than the original harddisk was.