Install Ubuntu alongside Windows 7

Environment :
Windows 7
Ubuntu 12.04 (LTS)

Installation / Usage :
This guide covers the installation of the Ubuntu AFTER installing Windows 7. Because Windows OS installation will replace the Master Boot Record (MBR) with its and replace GRUB.

Prior to install Ubuntu, make sure you prepare enough harddisk space for the installation.

1. Download Ubuntu 32/64bit [LINK]
2. Burn ISO onto DVD or Create a Ubuntu bootable USB drive
3. Boot the Ubuntu installer
4. Select English
4. Select the option "Install Ubuntu"
5. Select English > Continue
6. Needs atleast 4.4GB harddisk space / Connection to internet (optional)
7. Install Ubuntu alongside Windows 7
8. Select Timezone
9. Select Keyboard layout English (US)
10. Choose a computer name
11. Account to import - NO
12. Installation done, restart the machine