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I wish I could share good news, but the truth is no one can get you the bitlocker key, including Microsoft staff/support. https://support.microsoft.com/windows/find-your-bitlocker-recovery-key-6b71ad27-0b89-ea08-f143-056f5ab347d6 The link here says:"Important: Microsoft Support doesn't have the ability to retrieve, provide, or recreate a lost BitLocker recovery key."

Is this where you looked? https://account.microsoft.com/devices/recoverykey

If you set it up with school or work account, it is worth checking here as well https://aka.ms/aadrecoverykey sign in with your work/school email credential in that case. Or contact your organization IT department to see if they might have it.

Any chance your laptop was purchased used, or already set up for you? Or was it gifted? Or have you set it up with a different account at first? The key is stored with the very Microsoft account used to set up the computer for the first time, even if you had got rid of that account and set it up with a different account. So, if your computer was set up by anyone at the store you bought it from, it would be that person's account.

I assume you don't remember opting out of not saving it in Microsoft account, and saving it to a local file instead? That's another possibility.

If you can't find it at all, there's really no way to go around it. Bitlocker means business. If it can be bypassed, then it means the encryption is not working. Your only option is to do a clean install of Windows. In that case, you do lose your files. I am very sorry.

Hi Noraime,

The recovery key prompt you’re seeing is BitLocker protection. That 48‑digit key is required to unlock the drive, and there is no supported way to bypass it. The key is normally stored in one of several places: your Microsoft account at https://account.microsoft.com/devices, in your organization’s Azure AD or Active Directory if the machine is domain‑joined, or on a USB drive or paper printout if you saved it during setup. If you’re using a work device, your IT administrator can retrieve it from the AD DS or Intune portal. If it’s a personal device, sign in to your Microsoft account from another device and check the “BitLocker recovery keys” section. Without that key, the drive cannot be unlocked, and the only option is to reinstall Windows, which will erase all data. I recommend first confirming whether the machine is tied to a personal Microsoft account or an organizational domain, then retrieving the key from the appropriate source.

Harry.