Backup Whole System of Window 7

I was looking for the way of backing up everything - Normal files, Window 7 files that can be reverted to everything as it is when I have taken the backup. For this just Backup does not work as it taken normal files for restore later. Window 7 has a way to do the desired operation of taking the backup of all files including system files and restoring everything back. That is called creating System Image.
NTFS formatted device is required for creating System Image. It can be your USB stick. If you choose the default while creating System Image then it will create image using Win 7 files with all files in Libraries etc but you can use custom creation for including all others files in different folders.