Click download

it works for all Android version (4.0.4, 4.1.1, 4.1.2 and 4.2.1)

Flashing/installation instructions :
Backup your data first
(For Samsung SCH-I535 galaxy S3 Verizon, you need to unlock bootloader first GO HERE)
1- Download the recovery file (Link below)
2- Unzip the downloaded file only one time
3- Open "Odin3" as administrator
4- Click on PDA button and browse to the unzipped file.tar.md5 file that you extracted
5 - Disconnect any device connected to USB ports on your computer and disable your antivirus software
6 - Shut down your device
7 - Put your device into Download Mode (Volume Down + Home + Power)
8 - Volume up to continue
9 - Connect the device to your computer by USB cable and wait until you get a sign in Odin (ID:COM section) and "Added" in message
10 - Make sure re-partition is NOT TICKED [Very important]
11 - Click Start and wait a few seconds.
Done !
Notes :
~ I am not responsible if something bad happened to your device (use this AT YOUR OWN RISK)
~ This stuff is made for Samsung galaxy S3 devices (AT&T, Cricket, GT-I9300, MetroPCS, Sprint, T-Mobile, US Cellular, Verizon and GT-I9305)
~ I just converted "*.img" files from clockworkmod website to "*.tar.md5" file which you can flash by Odin3
~ Download and Install Kies or Samsung mobile driver, if you didnt get a sign in ID:COM or "Added" in message box
~ Official CMW website www.clockworkmod.com

Downloads :
Odin3_v3.04 HERE, v3.07 HERE, v3.09 HERE 
Samsung Mobile Driver HERE
Latest Samsung Kies HERE
Touch CMW
Samsung Galaxy S3 (AT&T) 6.0.3.0
Samsung Galaxy S3 (Cricket) 6.0.3.0
Samsung Galaxy S3 (GT-I9300) 6.0.3.0 Or (GT-I9300) 6.0.3.6
Samsung Galaxy S3 (MetroPCS) 6.0.3.0
Samsung Galaxy S3 (Sprint) 6.0.3.0
Samsung Galaxy S3 (T-Mobile) 6.0.3.0
Samsung Galaxy S3 (US Cellular) 6.0.3.0
Samsung Galaxy S3 (Verizon) 6.0.3.0
Samsung Galaxy S3 LTE (GT-I9305) 6.0.2.9