How do you change screen so yahoo does not come up automatically when you click on internet.?

I have used someone elses computer and don't want it to show up, it should just go to ACER with google!How do you change screen so yahoo does not come up automatically when you click on internet.?
When you open your browser (Internet Explorer) click on tools%26gt;Internet Options. Where it says home page enter the URL and click OK.How do you change screen so yahoo does not come up automatically when you click on internet.?
If you're using IE, go to options %26gt; home page and change the URL.
reset the home page
for firefox go tools %26gt;options%26gt;general%26gt;homepage%26gt;and change the URL
go to whatever you would like it to be.



lets say its google.



go to google.com



on that page you should see a button/link that says make google your home page.



click on that and click yes on the box that pops up.