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I got a HP Probook 455 g4 from a friend that was damaged. The drive had a virus which my only choice was to wipe it. I hade to replace the battery and keyboard.  Originally it had windows 10 home, but I have license for win 11 pro, so I upgraded.  Whe. I installed and reboot it is asking for the feature byte, ID, model, serial. I have all but the feature byte and I can not find it anywhere.  I need help. It has 16gig, 1 t drive, cd, wifi etc. WHERE DO I GET THE FEATURE BYTE? This is weird that it got lost, maybe the battery being dead for a long time.

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