Windows 11 Activation Key Lost after 24H2 Update

[Microsoft Windows]

Hello All, As per title, my windows 11 pro's activation key is lost after the 24H2 update. I restarted my PC and the watermark is no longer there. Is there any way to fix the issue? Some stuff that I have done:#1. I lost the product key box, so i no longer have a record of my windows 11 key anymore#2. I tried using ShowKeyPlus from window store, doesn't show my key#3. I tried using the command prompt wmic path softwareLicensingService get OA3xOriginalProductKey,but it returns me blank answer#4, I am considering to click Recovery > GoBack to attempt to roll back the latest update but yet to

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