Airfoil for Windows v3.6.1 with Key

https://www.rogueamoeba.com/airfoil/

Airfoil for Windows 3.6.1
Released August 6, 2014
For: Windows 8.1, Windows 8, Windows 7, and Windows Vista

Send any audio from your PC to AirPort Express units, Apple TVs, iPhones and iPods Touch, and even other PCs and Macs, all in sync! Use Airfoil with web-based audio like Pandora, music services like Spotify, Rdio, and WiMP, or any other audio playing on your computer. Airfoil for Windows gives you your audio on AirPlay devices all around the house.