The new version, 18.0.1025.51, fixes twelve security issues, and a number of bugs. Due to the self-update method, Google Chrome updates itself automatically in the background, therefore, most users' Chrome should be up to date. Google Chrome is available from google.com/chrome.
Google Chrome requires Mac OS X 10.5 or later (Intel only), Windows XP SP2 or later, or Android 4.0 or later. Google Chrome also runs on Linux.
UserAgent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.7; en-US; rv:188.8.131.52) Gecko/20120306 AlexaToolbar/alxf-2.14 Firefox/3.6.28