How to stop it renewing, what happens to the time you already paid for, and where the refund rules are.
Entering your licence keyWhere the key goes, what happens when you press activate, and what each error means.
Why the key is tied to this PCWhat the machine fingerprint is made of, why formatting Windows does not break it, how to release the binding yourself, and why a hash is sent rather than your serial numbers.
I changed my PC or my partsYour key says it is already in use somewhere else. How to release it yourself from the old machine, and when to write to us instead.