Step by Step guide of How to make patition of Hard Drive with pre-installed window in window 8/ window 7

Hi, in this tutorial i am showing you that

how to make partitions of hard drive within the installed window and without formating the window.

Some times our hard drive has a one partition and when the window is currupted by any cause, and when we install new window our all data is deleted. And if we have more than one partitions of hard drive than we can save our data into other partition where the window is not installed. and our data does not deleted when we install new window.
So watch this video which is showing the step by step guide of making partitions.

HOW TO MAKE PARTITION OF HARD DRIVE IN PRE... by backdoorworld3