How to extract logo from PSD

In this tutorial you will be learn how to extract logo from psd. Followings are the steps
1.Open your psd and then on upper top bar select layer from drop
   down menu rather then group shown in figure

2. Press control and click on logo after doing this you can see logo layer is 
    selected on right hand side in layer section as shown in figure

3. Right click on selected layer and click on duplicated layer as shown in figure

4. Then select new from document drop down menu as shown in figure

5. After this click on image and select trim option and press ok as shown in figure

6. Then press alt+ctrl+shift+s button on keyboard and select PNG_24 option
    on right upper corner and press save as shown in figure

 This is how you can extract logo from psd