1. Plug your iLok USB dongle into your computer.
2. Open the iLok License Manager application and log in to your iLok account.
3. Click the "Available" tab at the top of the iLok License Manager.
4. Find the license you are trying to activate, and drag it onto your iLok.
5. You'll be asked if you would like to activate the license. Click "OK" to complete the activation.