INTERNAL MODEM INSTALLATION WITH WINDOWS 3.X64. Click Internal Modem. Then click Next.5. If you have a free setting, you will see ascreen like this:COM2/IRQ3 is free in this example.ComTest might instead recommendCOM1/IRQ4, COM3/IRQ4, orCOM4/IRQ3 for your modem.Write down the displayed settings. You’llneed to know these settings later. ClickNext.If you do not have a free setting, you willsee a screen like this: