IE9 FONT SIZE HELP! URGENT!?

I downloaded IE9 and the font size changed, i read that i need to install ARIAL FONT again for it to come back, alot of people tried it and it worked, i just need someone's help to send it to me, my email on MSN is tik_tak-tok@hotmail.com, and yahoo khodor.safa@yahoo.com, I REALLY NEED TO FIX THIS PLEASE, HELP HELP HELP!!!!