Install Opera Debian Testing/Jessie
The Guide Show How-to Install the Latest Opera Browser 12+ on Debian Testing 8 Jessie i386/Amd64 Gnome 3 Linux Desktop the Easy-Way.
After the Manual Download and Installation of the Opera Debian .deb Package also the Opera Debian Repository is Automatically Added to Facilitate the Browser Updating Task!
The Opera Debian Browser Dispose of Several Advanced Features and the Most Valuable One is the Ability of Perfectly Resuming Any Download.
Take Note: At the Same Time I'm also Illustrating here the Easiest Way of Installing the New Downloaded .deb Packages with Dependencies on Debian Linux.
To the Bottom of the Guide You Find Link to Create a Gnome 3 Launcher for Opera Debian and the Latest Chrome Browser for Debian Linux.
The Post have Included the Basic Screenshots of the Process to Rend the Visualization and Installation of Opera Debian Easier and More Pleasant.
Download Latest Opera Browser for Debian:
Opera i386/Amd64 .deb Package- Right-Click on Package and Open with GDebi Package Installer

Now Simply Click on Install


GDebi Package Installer will Automatically Manage, Download and Install the Eventual Dependencies ;)
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How-to Create an Application Launcher for Quick-Starting:
How-to Install Google-Chrome for Debian Linux: