Delete cookies on Mac for IE, Safari, Firefox

Clean cookies in Internet Explorer (IE) for MAC:
1) Open Internet Explorer
2) Click "Explorer"
3) Click "Preferences..."
4) Double click "Receiving Files" (the one that has a small triangle on the left) until you see the triangle facing down
5) Double click "Cookies"
6) Click "Delete" button
8) Hit "OK" button.

Clean cookies in Safari for MAC:
1) Open Safari
2) Click "Preferences..."
3) Click "Security" (top of the list)
4) Click "Show Cookies" button
5) Click "Remove All" button (a dialogue box will show up to make sure you really want to remove them) hit "Remove All" button again
6) Hit "Done"

Clean cookies in Firefox for MAC:
1) Open Firefox
2) Click "Preferences..."
3) Click "Privacy" (left side of the list)
4) Click "Clear" button if you don't want to change anything; otherwise, click "Cookies" to change settings
5) Hit "OK" when finish