I entered info on auto fill incorrectly. I cannot figure out how to go back and correct it. Anyone know how to do this? It's a windows vista

I entered info on auto fill incorrectly. I cannot figure out how to go back and correct it. Anyone know how to do this? It's a windows vista
Open any web page click tools internet options and delete browsing history and then delete all this will clear everything and start you over

Do you know accounting please help?