Opera 42 is a web browser developed by Opera Software ASA, available for download in full install version for Windows platforms from legacy sources. This version of Opera was officially released on 2016-12-13 for public access and a brief summary of important updates and change log pertaining to this edition can be read below.

Opera 42 is a special release for the developer as it marks the 20th birthday of the browser. Opera has released this edition with special gift of built-in currency converter which let users know the price in the currency of their choice while browsing through shopping sites and it is on-the-fly conversion.

Another important addition in this edition is network based installer which intelligently detects optimum version (32 or 64 Bit) to be installed based on the hardware. It even goes one step ahead of upgrading from 32 to 64 bit during installation and seamless transition while preserving the user data.

This edition also has improved smart startup and personalized news reader with easy to add feeders.