Select Tools (the gear in the top right hand corner).
Select Internet Options.
Select the Privacy tab.
Select Advanced.
Deselect the OverrideAutomatic Cookie Handling box.
Click on the OK button at the bottom of the screen.
Click OK to exit.
Mozilla Firefox 3.x (PC):
Click Tools > Options.
Click Privacy in the top panel.
Set Firefox will: to Use custom settings for history.
Check the box next to Accept cookies from sites to enable cookies.
Click OK.
Mozilla Firefox 2.x (PC):
Click Tools > Options.
Click Privacy in the top panel.
Select the checkbox labeled Accept cookies from sites.
Click OK.
Mozilla Firefox (Mac):
Go to the Firefox drop-down menu.
Select Preferences.
Click Privacy.
Set Firefox will: to Use custom settings for history.
Check the box next to Accept cookies from sites to enable cookies.
Click OK.
Safari
Go to the Safari drop-down menu.
Select Preferences.
Click Privacy in the top panel.
Under Accept Cookies select Only from sites you navigate to.
Google Chrome (PC)
Click the Customization/Control menu in the top right hand corner.
Select Settings.
Click Show advanced settings at the bottom of the page.
Click Content Settings in the Privacy section.
Select Allow local data to be set to allow both first-party and third-party cookies. If you only want to accept first-party cookies, check the box next to Block all third-party cookies without exception.
Google Chrome (Mac)
Select Chrome > Preferences on the menu bar.
Click Show advanced settings at the bottom of the page.
Click Content Settings in the Privacy section.
Select Allow local data to be set to allow both first-party and third-party cookies. If you only want to accept first-party cookies, check the box next to Block all third-party cookies without exception.