Windows 10: Windows 10 not activating after I bought a new product key.

I have been using the free version of windows 10 pro and just bought a product key for windows 10 home and it installed but says that it's not activated. I tried to change product key but when I did it said it didn't work and gave me an error code 0xc004f050.

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Cannot Activate New Product Key

Just set up a new rig and bought a new Windows 10 Home, installed. Problem is my windows isn't activated and when I try to with my product key, i get this error 0xc004f050. I know this is the correct one and I have the receipt in my Microsoft account. Any
suggestions?

made it again because the people who commented were very unhelpful.

Cannot Activate New Product Key

 

Cannot Activate New Product Key

Just set up a new rig and bought a new Windows 10 Home, installed. Problem is my windows isn't activated and when I try to with my product key, i get this error 0xc004f050. I know this is the correct one and I have the receipt in my Microsoft account. Any
suggestions?

Moved from: Windows / Windows 10 / Windows settings

 

Activate windows 10 after re-installing (I have lost my product key)

I own a Lenovo T430 laptop. In 2017, I installed Windows 10 using my original Windows 7 product key. Unfortunately, I cannot find that product key anymore. I need to re-install windows 10. Will it be automatically activated after the installation, if I skip the step of asking the product key during the installation?

In my opinion, I believe that my laptop will have a digital entitlement stored on the Microsoft Activation Servers and this will not be a problem. Is that true?

If not, please suggest me a solution or a workaround.