Tutorial shows you how to use Backuptrans Android SMS + MMS Transfer to backup and restore messages(SMS & MMS) fro Android Phone with Android 4.4 KitKat on computer. http://www.backuptrans.com/guides/transfer-restore-sms-mms-to-android-4-4-kitkat.html Hope it helps.

1. Easily Backup and Restore SMS
MMS Messages for Android 4.4
KitKat on Computer
Get a new Android Phone with Android 4.4 Kitkat and looking for a good app to
backup and restore messages? Backuptrans Android SMS + MMS Transfer is
the amazing Android SMS MMS backup and restore software which lets you do it
easily on computer. Just connect your Android Phone to the software via USB or wifi
and then click the Backup/Restore button. Transferring SMS MMS Messages from
other Android to your new Android with KitKat is also supported.
Fetures:
1 Backup and transfer Android SMS/MMS to computer
2 Copy media files from MMS to computer, such as photos videos audios etc
3 Restore SMS and MMS to Android from computer
4 Transfer SMS and MMS between Android phones directly
5 Export Android SMS and MMS to file such as TXT, CSV, DOC, PDF or HTML
6 Print out Android SMS/MMS in amazing threading mode

2. 7 Connect Android to software via USB/WiFi
Video on How to Backup & Restore Messages for Android 4.4 KitKat?
http://www.youtube.com/watch?v=JLMYagyK5dI

4. Detail Guide:
http://www.backuptrans.com/guides/transfer-restoresms-mms-to-android-4-4-kitkat.html
Related:
How to Transfer Android SMS MMS to computer for backup?
How to Transfer SMS and MMS from iPhone to Android?
How to Transfer Data between Android Phones on Computer?
How to Transfer Android SMS to iPhone?
How to Transfer Data Between Android and iPhone in Clicks?