How to Decrease Boot time in windows 7

Today i will tell you how to decrease the boot time of your system in windows 7.
First of all i would like to say don't do that if you don't know the basics of this or if you want to do this then do in the presence of some expert.
First of all you have to well aware about start up applications. You have to know all that applications which you can't remove.
So lets start.

1. Go to "Run" menu.
2. Type "msconfig".
3. Click on "service" tab.
4. First check the "Hide all Microsoft services."
5. Then go to "Start Up" tab.
6. Close all those services which you do not want to use.
7. Press OK.
8. Then close all applications and restart your computer.
And now check the boot time.