[Create temporary web profile] ➔ [Register on ESET HOME portal] ➔ [Select 'Try Protection for Free'] ➔ [Generate legitimate cloud activation key]
If you want to transition your system to a permanent, secure defense, let me know: What are you looking to protect?
As for the license key, I can't provide you with an actual license key. If you're looking to purchase or activate ESET Smart Security Premium, I recommend visiting the official ESET website or contacting their customer support for assistance.
For more information on ESET Smart Security Premium and its features, I recommend visiting the official ESET website or contacting an authorized ESET reseller.