The Tutorial Shows You How to Download, Install and Getting-Started with a Latest Complete QT5 SDK for Linux Kubuntu 13.04 Raring Ringtail Kde4 64-bit Desktop.
By the Way you will Get Installed at Once All the Qt Features including Qt Creator, Qt Designer and Qt Assistant.
The Qt5 SDK includes the tools you need to build desktop, embedded and mobile applications with Qt from a single install.
This is the recommended way to get started with Qt.
The latest SDK has a self updater feature that will keep you up to date as new versions are made available.
At the Article Bottom there is a Link to Getting-Started with QT5 SDK Development on Linux Kubuntu.