how to remove cookies in browsers

IE:

How to delete cookie files:
Open Internet Explorer and click on the “Tools” menu.
In the “Tools” menu, click on “Internet Options”.
The Internet Options pop-up window appears.
Under the General Tab select the “Delete Cookies” button.
Delete cookies by clicking “OK”.
Optional:

Select the “Delete Files” button to clear the Internet cache. Make sure to check the box to “Delete all offline content”.
Delete temporary Internet file history data by selecting “Clear History”.

Firefox:

How to delete cookie files:
Open Firefox and click on the “Tools” menu.
In the “Tools” menu, click on “Options”.
The Options pop-up window will open.
From along the left side of the window select the “Privacy” icon. This displays the Privacy Settings in the right side of the window.
The option to erase the temporary Internet file “Cookies” is near the bottom of the list.
Click “Clear” to delete cookies.
Optional:

Delete all temporary Internet files by selecting the “Clear All” button.
Delete specific temporary Internet files such as History or Cache files by selecting their individual “Clear”buttons.

Netscape:

How to delete cookie files:
Open Netscape and click on the “Tools” menu.
From the Tools menu select “Options”.
The Options pop-up window will open.
From along the left side of the window select the “Privacy” icon. This displays the Privacy Settings in the right side of the window.
The option to delete cookies labeled “Cookies” is near the bottom of the list.
Click “Clear” to delete cookies.
Optional:

Delete all temporary Internet files by selecting the “Clear All” button.
Delete specific temporary Internet files such as “Page History” or “Cache” by selecting their individual“Clear” buttons.