Google Chrome 51 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 2016-05-25 for public access and a brief summary of important updates and change log pertaining to this edition can be read below.

Google Chrome 51.0.2704 was built on WebKit 537.36 layout engine using JavaScript V8 engine version 5.1.281. This version is released for Windows, iOS and android versions and has number of fixes and improvements.

This version has more than 42 security fixes and other performance boosting features in all platform versions. Credential Management API has now receives great functionality boost and now users can enjoy Google Smart Lock feature for signing in to websites. Off screen rendering is now optimized for performance boost and power savings, now embedded contents does not create overhead on the browser. 

From the security point, Google replaced NPN support with ALPN for much more secured encryption and speedy performance.