On the settings page, you will find a number of different options that are available to change and adjust. Scroll down some until you find the “Enable Dark Theme” button option within the configuration options. When you find it, go ahead and click the button to turn on the dark theme in Opera. Again, you are all set.

Can you add addons to opera GX?

Once you've installed the Install Chrome extensions addon, you can go to the Chrome extensions webstore and choose the extension you want. Click the Add to Opera button and follow the prompts. You will be taken to your extensions manager page where you can click Install.

How do I install a dark reader?

Head over to darkreader.org to install Dark Reader on Chrome, Firefox, or Safari. Go to darkreader.org and click on the web browser you use. If you're using Chrome or Firefox, you'll be taken to your browser's extensions store where you can download and install Dark Reader for free.