[Q] Help me to upgrade Android 4.4 topic

Hello guys, first i'm sorry my bad english.
I have Samsung Galaxy S4 I9505.
Information about my device.
Firmware Android
4.2.2
Baseband
I9505XXUAMDF
Kernel
3.4.0-431985
se.infra@SEP-124 #1
Fri Apr 12 17:22:59 KST2013
Build number
JDQ39.I9505XXUAMDF.


Somebody help me to upgrade to Android 4.4 ?
I'm just new member use Android. Please :)