In Internet Explorer, you can adjust the font size by going to the Text Size submenu of the View menu and choosing one of the five different sizes.
Alternative Method: If you have a mouse with a scroll wheel, you can adjust the font by scrolling the wheel while holding down Ctrl on the keyboard.
Other browsers: Microsoft Internet Explorer 5 or 6; Microsoft Internet Explorer 4 or earlier; Netscape 6 or later, Mozilla and similar; Netscape Navigator 4 or earlier; Opera; Others.