Google Chrome is one of the fastest browsers arround. And now it has also got a great collection of addons and themes to make it customizable and efficient for developers, webmasters, or anyone who uses it. Google normally provides a online installer for installing purpose of Google Chrome but it also provides users with the chance to download the Standalone version so that you can use it to install the browser without internet.
The latest Google Chrome available is Chrome 5.0.327.125. And you can download this version in an offline installer from this link from Google.