How To Root GT-I9305

Hi xda developers,im not soo good with phone but i have one samsung galaxy s3 GT-I9305.I need to root them and to install cwm recovery.Problem is i dont now how to make them.The Android Version is 4.4.4 - Baseband is I9305XXUFOA1 - Kernel is 3,0,31-3447006 dpi@SWDD5022 . Please xda developers help me how is the procedure too unlock them.Thank you bye