I wasn´t sure this was gonna work, but it did (at least for now)

you can buy it through PayPal, as I did, so in case it is not working for you, you can just contact PayPal and they will refund the transaction

paying through PayPal costs 55 more cents, but u can search for a coupon through the web (the coupon I used ("SOFTCHAT10") saved me 60 cents, so the use of PayPal was free)

they gave me the key instantly after the purchase, you can look for it in the orders section (they also send you an email with the links to the key)

I copied the key and pasted it into the activation box instantly after they send it, but it didn´t work and showed me a message that said "It looks like the hardware on this device has changed...". but then I tried writing the code by myself seconds after the error and it finally worked

so, everything turned nice :)

Key instantly received after paypal express payment. Recognized by windows without any problem. 5 stars!!

All lasted in 1 minute from purchase: after confirmation you are redirected to the account download page, where you can view your code, copy it, paste it in Windows activation dialog and confirm it.
I activated after 3 days from a clean installation on brand new mounted PC in Windows account profile

They are super helpful in there support department, I would 100% order from them again in the future. License key worked 100% thank you!

Worked grand, MS update cost me my license and they wouldnt help , but this worked first time, i always install keys via cmd