An activation key is a unique alphanumeric code provided by Foxit Software upon purchase. This key "unlocks" the full suite of Business features, which include:
Ensure there are no extra spaces when copying and pasting the key from your email. Conclusion foxit phantompdf business activation key
Ensure your key matches the version installed (e.g., a v9 key won't work on v12). An activation key is a unique alphanumeric code