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Download Opera 66.0 Build 3515.27

Opera 66.0 Build 3515.27

  -  73.9 MB  -  Freeware

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system. Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Opera 66.0 Build 3515.27.


For those interested in downloading the most recent release of Opera for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

  • Opera 66.0 Build 3515.27 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

What's new in this version:

- Bookmarks menu is not readable in dark mode after hovering
- [macOS] screenshot is resized
- [Mac] Anchor onboarding widget to history icon on sidebar
- [Mac] Popup looks bad with mode change
- Enable feature on stable/beta
- [Mac] Onboarding popup doesn’t follow the browser window
- Promote O66 to stable

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