When you are browsing your internet, the web server placed some text files on your computer as cookies. The main purpose of cookies to save your preferences that you specify for future reference. You can enable or disable your computer web browser cookies, but it is important for you if you disable your browser cookies, may be some website will not work properly.
If you are using Internet Explorer 6.x and later then follow the given steps to enable or disable cookies.
Open Internet Explorer, click on the Tools then Internet Options.
Click on Privacy tab from the left top of dialog box and click on Advanced button.
To enable the cookies, select the Accept option and for disable check the option Override automatic cookies handling then click on block.
Now restart the browser to execute changes.