(or License Key) provided upon purchase. This code is not a specific editing feature but a security "feature" that
Input your 16-digit serial code in the designated field. You can authorize multiple products at once by entering each code on a separate line. Verify & Activate: vocaloid 6 authorization code exclusive
An exclusive authorization code is likely a one-time use code provided to a user, typically through an official Yamaha or Vocaloid website, online store, or authorized reseller. This code grants the user a single license to activate and use Vocaloid 6. (or License Key) provided upon purchase