My licence key is not working

Check the key was typed exactly as sent. Copying it from the email is the safest way.
If the key was cancelled, it stops working after the date given in the cancellation email.
If you have more than one key, try the one for your current plan. See more than one licence key.
If it says the licence is already in use on 3 devices, remove a device and try again.
Recover your licence key to get a fresh email with every active key.

Related