Google Instant is available to users on Google domains in the US, UK, France, Germany, Italy, Spain and Russia who use the following browsers: Chrome v5/6, Firefox v3, Safari v5 for Mac and Internet Explorer v8. Users other than Google.com can only access Google Instant if they are signed in to a Google Account.
To check the new google instant
1.Open your favorite browser.
2.Change the default home page to this address:
3.Save the changes and restart your browser or click the Home page icon of your browser.
4.Type in google search box to try google instant.