Hitting password brick wall trying to update hard drive to GPT

[WayfinderWishbringer]

I am trying to convert my hard drives to GPT. I'm using step-by-step instructions:SettingsUpdate and SecurityRecoveryAdvanced Startup / Restart NowTroubleshootAdvanced OptionsCommand PromptAt which point it asks me for my user email and password. I give it my Microsoft user email and password, precisely, all Uppercase and spelling checked with no leading or trailing spaces... and every time it tells me it is incorrect information. I've tried using all past passwords I can remember, and even changed my password TODAY... but it still doesn't recognize my mail / or / password.I am using Wind

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