Firefox 7.0 and Newer
Use the 'Tools->Options' menu item (may be under the Firefox button),
then choose the 'Privacy' tab. Set the 'Firefox will:' option to 'Use
custom settings for history'. Now you can choose whether cookies are
enabled for websites you visit and third party websites, and if so how
long they will persist. You can also use the 'Exceptions' button to
override the settings for particular websites.
Firefox 3.0
Use the 'Tools->Options' menu item, then choose the 'Privacy' tab. Here
you can choose whether cookies are enabled, and if so how long they will
persist. You can also use the 'Exceptions' button to override the settings
for particular websites.
Google Chrome 5.0
Choose 'Options' on the 'Customize and control' menu, then open the 'Under
the Bonnet' tab. In the 'Privacy' section, click on the 'Content settings...'
button and open the 'Cookies tab. Set the required cookie behavior and use
the 'Exceptions...' button (if required) to configure specific websites.
Internet Explorer
Click the Tools button, and then click Internet Options.
Click the Privacy tab, and then, under Settings, move the slider to the bottom
to allow all cookies, and then click OK.
Apple Safari 5.1
Choose 'Preferences...' on the 'Settings' or 'Edit' menu (Windows) or the Safari
menu (MacOS), then open the 'Privacy' tab. Now set the required cookie
behavior.
Apple iOS (iPhone, iPad)
From the home screen tap the 'Settings' icon, then choose 'Safari'. Find the 'Accept
Cookies' option and set the required cookie behavior.
Android browser
Tap the 'Internet' icon to start the browser, then press the phone's menu button.
From the list of options, choose 'More', and then select 'Settings', then 'Privacy
and Security'. Scroll down the resulting list and check or un-check the 'Accept Cookies'
item.
Android Chrome
Start Chrome, then open the options menu and scroll down to 'Settings', followed by 'Site
settings'. You can now choose whether to allow sites to save and read cookie data.
Windows Phone 7/8
In Internet Explorer, tap 'More...' then 'Settings'. Check or clear the 'Allow cookies on
my phone' item to set the required cookie behavior.
Blackberry
Open the browser from the home screen, then press the Menu key, followed by 'Options'.
Under 'Privacy & Security' you can choose whether or not to 'Accept Cookies'. Press
the Menu key and select 'Save' to save your selection.