Activate your key
Open Settings → Account, paste your licence key and press Activate. Each browser profile on a machine counts as one device. Your licence covers three.
Move to another device
Choose Deactivate this device on the old browser, then activate on the new one. If the old device is no longer available, email support.
Connection errors
The key is checked when the panel opens. Pro features are unavailable for that session if the licence server cannot be reached. Check your connection and try reopening the panel.