How to download & install Bonjour Services on a Windows 7 64 bit computer?
You can download Bonjour for Windows from Apple's Bonjour support pages.

Bonjour for Windows is bundled with Bonjour Print Services for Windows:


  Bonjour Print Services for Windows lets you discover and configure Bonjour-enabled printers from your Windows computer using the Bonjour Printer Wizard.