windows 7 - How do I move my OS from one partition to another?

Currently I have Windows 7 installed on C: of 20GB capacity. I install software mostly on another drive. But when I run some heavy software like 3d max or Photoshop, I face low disk space problem since only 2GB space is free in C:.

I am planning to buy a new hard disk of large capacity and want to move the OS from C: to a new partition of another hard disk.

I heard that Acronis Migrate Easy can do it in better way. But I am doubtful in the following points:

1. Would moving an OS from one drive be safer – or should I install a new copy of the OS?


2. My previous programs are installed on D:. So will references to previously installed software persist, after shifting/migration?



3. Is there any other easier and safer way for moving an OS to a drive which is different in size?