How to create transparent png with photoshop

Hi friends today i m going to tell you how to make transparent png image using photoshop. ya its really to easy.

1. Open Photoshop and open the image you want to make transparent.
2. In layers the click on the lock icon
preview:

3. An new Dialogue Box will open click OK on it.
preview:

4. Click on Magic wand tool ""
5. Using magic wand tool click on the field which you want not to display.
preview:

6. Then just Click Delete Key of the Keyboard.
7. Then what will you get will be like this in checked background.
preveiw:

8. I think now You know what i want to say is if you are happy save it .