Written by Ron Lyons, Jr. If you're vigilant, you can find QR codes everywhere. These black-and-white squares tie the real world to the internet, and scanning them gives you quick access to ID cards, ...

So long as you have a built-in modem, you can use Windows Fax and Scan to send and receive faxes from your computer. Learn how to use this classic program along with alternative faxing methods.