Dual-booting Ubuntu 12.04 with widnows 7 [ how to]

in this tutorial i will show you how to install Ubuntu with windows 7 side by side

its really easy
prerequisites :
1 :  windows 7 running system
2 : Ubuntu installer disk or usb
3 : 30-40 minutes
NOTE  : I do not issue any guarantee that this will work for you! use google for other troubleshooting , i demonstrated it under simulated virtual environment
firstly download Ubuntu ( release  : 12.04
burn it in cd or create usb drive
and reboot in Ubuntu installer
 1 :  click on ‘install now ‘
2 : choose install side by side
select along with windows 7

3 : select size for your new installation
select partition size
select partition size
4 :  select continue

5 :  go like normal installation ‘ next next next

6 :  import windows 7 documents and home folder settings 
import files from windows 7 home

7 :  after finishing installation click restart and reboot into Ubuntu
choose ubuntu or windows 7
brand new ubuntu desktop
your brand new Ubuntu desktop
video tutorial :
enjoy ! 
leave your feedback