Perfect key, it works exactly as described on the product page. Make sure you read and understand EVERYTHING that you are doing, and it can't go wrong. 5 stars!

its working properly .
but for how many days or years?

Firstly I was afraid of this site. I ordered a windows 10 pro key and I got it less than 10 seconds.

100% Instant activation 0 problems Perfect

Code delivered instantly. Payed with Paypal. Easy and fast.