It's worth noting that when I copied the config file to usb not all files were able to copy as I received an error message reading 'filesystem does not support symbolic links'. Should this be the case or has something gone wrong? While I did get a Product Key and Product ID, I noticed that the Product Key of my old laptop is the same as this laptop although the product ID's are different. Using this guide I copied the config folder to a usb after booting into Ubuntu and ran Produkey on the folder in my current laptop. Entering the following lines into an admin Command Prompt or Third-party tools that find. The problem is, I didn't note down the Product Key before the OS stopped working. I got all my files off the hard drive using Kaspersky recuse disk and plan on reinstalling Windows 10. I've tried refreshing and resetting but it won't work. Unfortunately Windows is stuck loading at the login page. Find your product key on a label inside the Windows 10 box. Buying a box copy of Windows 10 from an authorized retailer. It was running windows 10 Pro upgraded from a retail version on Windws 7 Pro. Find your product key either on the device packaging or on the Certificate of Authenticity (COA) attached to your device. I bought my previous laptop from gumtree.