It is simply change, just open your internet browser where it is happening.
If you are using Internet Explorer.
open your IE, go to Tools, then go to 'Internet Options', Then you can change your home page to www.google.com
Or if you are using Mozilla Firefox.
Open your Firefox, go to Tools, then go to "Options" switch to 'Main' tab, then change it to www.google.com
It is just setting your homepage which it will be opened when you open the internet browser.
