Google Chrome 15 is a web browser developed by Google Inc, available for download in full install version for Windows platforms from legacy sources. This version of Chrome was officially released on 2011-10-25 for public access and a brief summary of important updates and change log pertaining to this edition can be read below.

Google Chrome 15.0.874 was released on 25-Sep-2011 with a host of features in the user interface and performance boosting optimization controllers. 

Video Decoder Switching: Chrome switched to FFmpeg native video decoder which can handle multimedia data much better than the earlier one.

User Interface Changes: Extensions are now integrated into settings page, which makes installation, activating and deactivating of settings with much easier for users. Omnibox history can now be synchronized easily.  Printing preview has been made faster for quick print preview.

Web Store Integration: Google authenticated extensions can now be installed within the browser without need to download and installation.

Disabled Plugins: GPU accelerated Canvas 2D is disabled in this release which was a threat to performance.