916だけど、Windows 10 Home BitLockerで検索したら一番上にこの記事出てきた
https://www.windowscentral.com/how-enable-device-encryption-windows-10-home

Windows 10 Home doesn't include BitLocker, but you can still protect your files using "device encryption." Similar to BitLocker, device encryption is a feature designed to protect your data from unauthorized access in the unexpected case that your laptop is lost or stolen.

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