To Get Installed the Latest Opera 83+ instead Look this other Guide: Here
The Guide shows you How to Install the Latest Opera Browser 12+ on Linux Kubuntu 12.04 Precise 32-bit KDE4 Desktop the Easy-Way.
The Opera Browser Dispose of Several Advanced Features and the Most Valuable One is the ability of Resuming Any Download.
Especially relevant: at the Same Time I’m also illustrating here the Easiest Way of Installing the New Downloaded .deb Packages with Dependencies.
The Post have Included the Screenshots of the Process Visualization and Installation Easier and More Plesant.