GT-S7562

Files are from Droidser

This method will root your phone and will give you CWM recovery which are going to go in later,

1.You will need samsung drivers, you can get these from Samsung kies (just intall it) or from here 

2.Download the s7562 Rooting Kit (the link is hosted by droidser too)

3.Extract The kit, and open Odin, You can get a later version of odin from here. see Image 1

4.Click on PDA and choose The Recovery.tar, see image 2

5.Now Let's go to our device,
a. Go to developer option, now Hit ok and Check USB debugging if it is not 
b.Put Cwm_SuperSU or Cwm_SuperUser, Only choose one
c.Turn your device off and boot it in downloading/download mod ( Turn it off, and Hold Vol_Down & Home & Power until you see light coming out from the device ( When you feel it booted ) and then you should see a warning, just ignore it and click Vol_Up ). should be something like image 3.

6.Now connect your android To your pc that has Odin, if done every thing correctly You should see The windows downloading drivers or Odin that printed : Com:**** 

7.Make sure to Have : Auto Reboot & F. Reset time & Pda Checkedd after you done Step 5 & 6. see image 4

8.Remove the back Cover of your phone ( you must do that )

9.Now Click on START in odin

10. You should see a Blue bar in the downloading / Download mod in your device

11. keep watching it, till it finishes

12.When it finishes, Your device has to reboot, Just When you see the samsung logo, Remove your battery 
Now to the easy part

13.Remove the Usb from your device, and reinsert battery

14.Now you changed Your Stock_Recovery, With CWM_Recovery. Now you want to go to your new recovery, by pressing Vol_Down & Vol_Up & Home & Power release when you see samsung logo. You should see something like image 5 ( Version might be diffrent ).

Note : Your touch won't work here, Move with your Vol_Up / Vol_down and choose with Home button and go back with back button 

15. Now i suggest you to make a backup if you have an external Sdcard, if not just skip 

16. now choose " Install Zip from sdCard " and Go to Choose zip from Sdcard Or From internal sd Card ( Depends on where you put your Cwm_SUperuser)

17. now Go to where you have put your CWM_Superuser / Cwm_SuperSU. and click on The Home, and click yes and now wait a bit,

18. Now go back and choose Reboot System now