How to partition your hard drive in windows 7?
Disk partitioning is to divide the hard drive into multiple logical units. People don’t often choose to partition their hard disks, but it has many benefits. Mainly, by partitioning your disk, you can separate your operating system from your data and thus reduce the chances of your data becoming corrupted. Be careful! If you decide to partition your Hard disk you will must read the full procedure of partitioning. I will give you two source from where I learned disk partition process.
The first one: Read this Article.
The second one: Watch this video.