If your computer doesn’t have a built-in fax modem, you don't have to buy an external device. Our method is free and only takes a few clicks.

How to use Windows Fax and Scan Tool If you’re planning to send and receive faxes at home, you first need to outfit your PC with a fax modem.

The Difference Between Data & Fax Modems. Modems have been in use by the private sector since the early 1960s. All modems use phone lines to transmit information, but not every modem is the same.

This makes it difficult, but not impossible, to send a fax from a broadband connected PC, using a web-based forwarding service.