In your Google Chrome window. Click the menu button, and then Settings.
Under Settings, click on Advanced
Look for Clear browsing data under Privacy and Security.
A pop-up box will appear. Check the box to select exactly what information will get cleared. You can also click the drop-down menu to select a time range to clear to choose how much of your history will be cleared.
Finally, click the button Clear Browsing Data. The window will close and the items you've selected will be cleared.