In this paragraph, I'm speaking about the Old Reader add feed extension for opera. Basically, the extension has a lot of features and options, so it can be a bit confusing to use at first the Old Reader add feed For Opera. That’s why we’re going to walk you through setting up and using we will explore How to install extensions and add-ons to your Opera Browser below.The best part about this Opera extension is that it’s free and easy to use.