Sign in with your ESET account (create one for free if needed).
Click “Add License” → “I have a License Key”.
Enter your new license key exactly as written (including hyphens).
Click “Verify” or “Add”.
The system will immediately display:
Click on “Add license key”
or “Register a new license.”
✅ License key valid. Expires: [date next year] ✅ Product: ESET Internet Security ✅ Updates enabled. Real-time protection active. eset check license key new