Browser Settings

Firefox

Click "File" on a PC or "Firefox" on a Mac
Click on "Preferences"
Click on "Privacy"
Select "Use custom settings for history" in History dropdown
Choose your preferred settings

Google Chrome

Click on the spanner icon to the left of the address bar
Click "Settings"
Click "Show advanced settings…" at the bottom of the page
Click Content settings… under Privacy
Choose your preferred settings

Internet Explorer 8.0

Click "Tools" from the top menu and then "Internet Options"
Click the "Privacy tab"
Move the slider to choose your preferred settings

Internet Explorer 7.0

Click "Tools" from the top menu and then "Internet Options"
Click the "Privacy tab"
Move the slider to choose your preferred settings

Safari

Click "Safari"
Click "Preferences"
Choose your preferred settings