How to install Linux on a real machine (I've added a hard drive to my desktop)

First of all, I was a slag, so for the installation of Ubuntu in the real machine, just started really do not know how to start, before just in the virtual machine was loaded, after consulting various materials, the successful installation, my desktop installed system Win7, is the following is the process I installed

1. My Ubuntu is already burning in the CD, first I choose to boot from the CD, My choice is to choose a third DVD, there are two different boot methods, UEFI and legacy are two different boot methods, I chose the Legacy Way, which is related to their computer motherboard (PS, My own understanding):

2. Go directly to the following page

2. Select Install

3. Select Language English

4. This step I choose to temporarily do not update Ubuntu, directly click Continue

5. If the Windows and Linux dual system installation, please choose Other options , remember . You can create, resize, or select multiple partitions for Ubuntu yourself.

6. Below the page there will be a device to install the boot launcher, you must see clearly the hard disk size, because my second hard disk size is 80G, so I choose the way as follows:

How to install Linux on a real machine (I've added a hard drive to my desktop)