After installing WIndows 7 you make some tweaks to the registry and screw up and you have the task of reinstalling the OS.Now there is a utility called EASEUS Todo Backup which backs up all the data including your operating system, programs, settings,etc.It provides features like backup, restore, and disk-clone,and it proves to be very useful if you want to replace the older hard disk of your computer by a newer larger hard disk without reinstalling the operating system and applications once again.
You will just need to install the software and restart your pc then double click Easeus Todo Backup exe file you will be presented with the screen below.
Click Backup option and Backup Wizard should start up.Next choose the hard drive and the desired partition to backup.
Next choose where to save the image.
Select the two options that come in that is Default option or setting it manuallyIf your are new to this select the default one.
Check the settings again to confirm and proceed with the back up.
Let the back up be created and wait for the process to complete.
It works on Xp/Vista and windows 7 too.So go get a copy of this.