Saturday, May 20, 2017

Opera Portable, opens up the web to the world!
"Surprisingly, Opera [version 22] performed the best in the Octane 2.0 test, which measures how your browser will preform under the stress of games or highly interactive webpages." —Brandon Widder, (November 25, 2014)
"Off-Road mode [previously called Turbo Mode] speeds up slow connections and reduces bandwidth." —Michael Muchmore, (date)
"One step away from MALWARE" —tuliphead (a user), (March 20, 2015)
There are three variants of the Opera browser for Windows and Mac OS X. Each will run in parallel and can be installed side-by-side.


Opera Portable, my way to go online!
Opera is the product recommended for everyone. The quality requirements are tight and the stability is superb. The channel only receives small stability and security updates between the major releases.
   A major release happens approximately every two months.

Opera Beta

Opera Portable, my way to go online!
Opera beta is what will become our next main release. It contains the features we intend to ship at a quality level resembling what we intend to ship. No new features or significant changes are introduced between the major releases.
   The beta stream is what is often referee to, in development terms, as the testing stream.
   Opera beta was formerly known as Opera Next.

Opera Developer

Opera Portable, my way to go online!
Opera developer contains our latest changes. It is a nightly snapshot of our active development, delivered more or less as-is and minimal quality requirements.
   The intention is to showcase what we are working on and be open about upcoming changes to web technologies. It is not intended for daily browsing. It is provided for web developers (as the name suggests) and enthusiasts who are not afraid of some bumps in the road.
   The developer stream is what is often referred to, in development terms, as bleeding-edge or the unstable streams. Referring to the risk of suddenly getting cut by an unpolished developing feature.
   A Opera developer release happens approximately two times per week. (Thus, not recommended for users with limited bandwidth.) There can be fewer developer releases in the week preceding an Opera release.

Size: 160 MB (168,374,272 bytes) Packed Size: 52.8 MB (55,377,920 bytes)
MD5: 85A354D51B860F033789CEF4F778AE50

Size: 157 MB (165,445,632 bytes) Packed Size: 51.2 MB (53,702,656 bytes)
MD5: FCDCF48D9B80F3671735C9EEADD273C3

Size: 154 MB (161,976,320 bytes) Packed Size: 52.9 MB (55,521,280 bytes)
MD5: 2313CF4EF5FE3F4DD25ED7C1F92B68E0

More releases... More releases...

Auto update feature

  • Please read the help.htm especially on how to use Opera auto update feature.

Maintenance release

  • We won't release Opera each time it is updated.
  • We'll only do periodic maintenance release, especially:
    • to make sure the auto update feature still work, and
    • to update Flash player plugin.

Portable plugins

  • Flash player is included.
  • Get newer portable plugins here: Flash Player

Portability Notes

  • Opera writes non essential data to Windows registry while running.
  • Flash player and/or other NPAPI plugins (Java, Silverlight) writes to Windows registry and data folders while running.
  • IE Tab addon—if installed—writes to Windows registry and data folders while running.
  • Make sure it exits cleanly before plugging out your thumbdrive.

Release History

  • 45.0.2552.812: Stable version based on Chromium 58.0.3029.81, Beta on 58.0.3029.81, Developer on 59.0.3067.6. New looks and lots of new features, we recommend to upgrade to this release eventhough there are no changes to the portable app. launcher.

About the Publisher

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