#1: How to activate Windows 10?
Before you begin, make sure to download and install correct edition of Windows 10.
During installation, you’ll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > Update & Security > Activation > Update product key > Change product key.
If the Windows 10 key isn’t activated on your device, see How to fix Windows 10 activation common errors for more help.
#3: Windows 10 License Types:
1. Windows 10 Retail vs OEM
In use, there is no difference at all between OEM or retail versions. Both are full versions of the OS, and as such include all the features, updates, and functionality. The major difference is that whereas when you buy a retail copy of Windows 10 you can use it on more than one device, although not at the same time, an OEM version is locked to the hardware on which it was first activated.
2. Product Key vs Digital License
A digital license is a new method of activation in Windows 10 that doesn’t require you to enter a product key. The activation method the operating system will use depends on how you got your Windows 10!
Windows 10 will use the product key activation method, if one of the following is true:
- You have obtained a genuine copy of Windows 10.
- You’re using the Volume Licensing agreement for Windows 10 or MSDN subscription.
- You have purchased a new computer running Windows 10.
Windows 10 will use the “digital license” (formerly known as “digital entitlement”) activation method, if one of the following is true:
