How Can I Delete/Remove Cookies?
Cookies are maintained by your web browser, so the method for deleting them will vary depending on which browser you are using.
Microsoft Internet Explorer 8.0 or 9.0
Select the 'Tools->Internet Options' menu item, and then click the 'Delete...' button under the 'General' tab. Check the 'Cookies' option, check/uncheck other options as required and click 'Delete'.
Note - the 'Tools' option can also be accessed by clicking the 'gear' icon in Internet Explorer's toolbar.
Firefox 7.0 and newer
Select the 'Tools->Options' menu item (may be under the Firefox button) and click on the 'Privacy' tab. Click the 'remove individual cookies' link, and you will be shown a list of all cookies stored by Firefox. You can select which cookies to delete and then press 'Remove Cookies', or you can simply click 'Remove All Cookies' to delete them all.
Select the 'Tools->Clear Recent History' menu item. Choose the time range you wish to clear, then check the 'Cookies' option, check/uncheck other options as required and click 'Clear Now'.
Google Chrome 5.0
Choose 'Options' on the 'Cutomsize and control' menu, then open the 'Under the Bonnet' tab. In the 'Privacy' section, click on the 'Clear browsing data...' button then check the 'Delete cookies and other site data' option and check/uncheck other options as required. Choose the time period you wish to clear and click 'Clear browsing data'.
Apple Safari 5.1
Choose 'Preferences...' on the 'Settings' or 'Edit' menu (Windows) or the Safari menu (MacOS), then open the 'Privacy' tab and click the 'Details...' button. Individual cookies can be deleted by selecting them and clicking 'Remove' or they can all be deleted by clicking 'Remove All'.
Apple iOS (iPhone, iPad)
From the home screen tap the 'Settings' icon, then choose 'Safari'. Tap the 'Clear Cookies' option to delete all cookies, and confirm by tapping 'Clear'.
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'. Scroll down the resulting list and tap on 'Clear all cookie data'.
Windows Phone 7/8
In Internet Explorer, tap 'More...' then 'Settings'. Tapping the 'Delete History' item will allow you to erase browser history, cookies, stored passwords and temporary internet files.
Note: If you delete all the cookies on your computer, some websites may require you to re-enter the information which was previously stored in their cookies.
(Also see how to enable or disable cookies.)