How to activate windows 10

How to activate window 10 product key?  here there is a convenient method for activation related work so you will find it easy Method to use.
So.Windows 10 product key & activation Method.
When you upgraded your window 10 from a genuine copy like Window 8 or 8.1 or either window 7, so your license of window will be tied to your upgrade hardware but not to Microsoft account so you will be unable to get any key. There is also a way of verification through the third party product key,  PID checker can also be for this purpose. Keys will be shown to you that resembles these: TX9XD-98N7V-6WMQ6-BX7FG-H8Q99 for Windows 10 Home and VK7JG-NPHTM-C97JM-9MPGT-3V66T for Windows 10 Pro edition.
So if you want to remove window 10,  you can do this by downloading an ISO file, then turn this file.
While the setup is running , if window ask a product key so you must skip that step and allow it to do complete installation. Once it will install, automatically its copy will activate, when you connect it with internet. It happen because Microsoft well knows about your clean installation on tis hardware.
This is because on the same hardware, Microsoft knows you clean installed. Whenever you want to check activation key then by simply pressing Settings (WinKey+I) > Update & security > Activation.
Windows 10 activation:

Windows 10 Product Key and Activation: How to Find It and How It Works

You can do it from Control Panel > System and Security > System:
Windows 10 system
So when ever if you want to change hardware you need to contact with Microsoft support and tell them about what change you want to get your copy activated.
There are other options for you as guides are available related to , How to create Boot able window 10 USB Flash Drive , How to download window 10 pro ISO file without using Key etc.
Windows 10 retail product key and activation:
If you have a retail license of Window 10 or either you get key from MSDN, Tech Net or Dream Spark, obviously you may have a very unique product key, you can enter this key when setup started and ask about product key. If you forget that key then you can also use third party software (Product keys) for more convenient installation..
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