Upgrade to Airfoil 4
If you own an Airfoil license key that starts with TX40- or SSME-, we strongly urge you to upgrade. Your version of Airfoil is now extremely out of date, and no longer supported. Fortunately, you can upgrade to the current version of Airfoil 4 for just $10.
To move to Airfoil 4:
1) Download Airfoil 4, right from the main Airfoil page, and try it out.
2) Purchase the upgrade right through this page to receive a license key for Airfoil 4.
Purchasing the upgrade:
Enter your existing Airfoil license key below. Be sure to enter both the Name and Code portions as sent to you. If you've lost your license key, you can recover it here.
Once you enter your license key, it will be automatically verified and you'll be forwarded to our store to make a discounted purchase.
Note: If your existing Airfoil license starts with KUTA-, you don't need to pay anything! Just download the latest Airfoil and enjoy!
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