Here is the instructions for activate the Windows 10 Pro:
1) Go to Settings> Update & Security
2) Click Activation
3) Click “Change Product Key”.
4) Enter your product key received from us.
(If you have Windows 10 Home edition after inputting the key if you receive error during edition upgrade please restart your Computer, it will upgrade your edition even if you received an error.)
5) Your activation will completed after inputting the key but if you received an “Error Code: 0xC004C008“ please follow the instructions below. If your Error Code is “Error Code: 0xC004C060” or something else please send us a Ticket from HERE for replacement. We will respond you via email within working hours with a new key or a solution for your activation problem.
6) Some computers’ activation centers can not connect to the internet and they may give you an error after you input the key so in such cases we have to choose to activate windows offline.
7) Please press “Windows key + R” together and type “slui 4” select your country and click next.
8) Then you will see Installation ID which is 63-digit numbers, now you can submit your Installation ID from our Get Confirmation ID page: get-confirmation-id
Remember, sometimes Microsoft servers are stuck so if you can’t get your Confirmation ID within 30 second please refresh the page and submit again.
(Or you can call one of the numbers that are provided so you can get your Confirmation ID after submitting your Installation ID.)
9) After receiving your Confirmation ID, you can enter your Confirmation ID, and your windows will be activated.
If you need a Windows 10 Pro key you can purchase it from HERE with instant delivery and the best price!
IMPORTANT NOTE: It is recommended to use your product key as soon as possible so that it does not expire.
You can find ISO file from here for download Windows 10 Pro:
Thank you for reading