2 days ago · Press Windows key+R to open Run then type: services.msc. Press Enter to open Services app. Double-click Background Intelligent Transfer Service. If the Startup status lists Stopped, click Start and then click OK. If the status is Running, right click then select Restart. Double-click Windows Update.

These don't exist, license key and activation key. There's the product key and Product ID. The Product ID is used to identify the product, which is used to Microsoft's advantage in events that the customer requests support. 2. The product key is the 25-digit key that comes with any copy of Windows to verify its authenticity and that you bought it.
First, update your KMS host to support Windows 10 computers. See Windows 10 Volume Activation Tips for details. What is product activation? Product activation is a process during which a product key is input to allow the use of the software. Activation establishes a relationship between the software's product key and a particular installation
2. If Windows 8.1 was on your laptop when you bought it, you must use your laptop's dedicated recovery media to reinstall Windows or ask the laptop vendor for help with the product key. However, I suspect we are not talking about an OEM copy. In your title, you've said "Windows 8" while in your message body, you exclusively said "Windows 8.1".

It didn't even ask for a product key. The laptop apparently has the windows 8.x key stored inside its firmware. Saved me some effort as I didn't have to install windows 8 first. So it seems windows 10 does not need a windows 10 license in the case you had a genuine Windows 8.

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does windows 8 product key work for 10