Need to recover a changed windows license key.

  Game Over 11:39 23 May 2018

So i installed something on my pc and it changed my windows license key is there anyway to get it back. I cant use system restore as it failed everytime so i used sfc / scannow to fix that but it deleted my restore points.

  Fruit Bat /\0/\ 12:11 23 May 2018

have you a copy of the Product key?

  Game Over 12:16 23 May 2018

Unfortunately No never thought about writing it down.

  wiganken2 12:30 23 May 2018

In most cases there is a sticker on the case of the laptop/PC with the key shown on it. Have you looked for a sticker?

  Fruit Bat /\0/\ 12:43 23 May 2018
  1. Open an elevated command prompt.

  2. type slmgr /upk and press Enter to uninstall the product key.

    will remove the new product key reboot the PC

your windows 10 key should be saved on MS servers and so should reacivate when connected to the internet. if it doesn't and you get activation errors then see click here

  Game Over 15:21 23 May 2018

Unfortunately know if this really helps as my license key has been changed i need to find a way to retrieve/locate my old one if possible.

  wiganken2 15:23 23 May 2018

So no sticker on the PC case then?

  Game Over 15:47 23 May 2018

Thanks for the help but i solved it by getting an activation key of youtube of all places happy days.

  Game Over 15:48 23 May 2018

And i built the pc myself so no was from an old hard drive.

  rdave13 16:35 06 Aug 2018

Not sure what you've done but if activated via Key Management Service server it might only last 180 days.

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