Windows Activation issues after installing update

It’s showing an error code of 0xC004F213.

Yabbo Hello there,
Please send us a picture of the SN on the bottom of the PC

Image description

Yabbo Please try downloading the latest system files from Microsoft
This is the tutorial:https://mega.nz/file/On523Jxa#W3eXHub97k45WKqqS_iyUYrFesdSrxyqQfI3L1n6n7k

support11 I just need a product key, why do I need to reinstall windows 11?

Yabbo key send to you by pm,please check