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Tested: Windows 11 Pro's On-By-Default Encryption Slows SSDs Up to 45%
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
Windows 11 Home does have BitLocker, it's just a very simplified version of BitLocker without most of the options. Like it's basically just on or off in the settings, no way to manually backup the key or anything else. But changing certain things will trigger the enter BitLocker key screen at boot.
From your article:
I'm pretty sure it just uses BitLocker under the hood and doesn't let you configure some things:
https://support.microsoft.com/en-us/windows/device-encryption-in-windows-ad5dcf4b-dbe0-2331-228f-7925c2a3012d
https://learn.microsoft.com/en-us/windows-hardware/drivers/bringup/secure-boot-and-device-encryption-overview#device-encryption
Just checked an 11 Home computer that has Device Encryption turned on:
Get-BitLockerVolume reports that it is on for the main drive with RecoveryPassword and Tpm protectors.
It's definitely just a rebranded, less featured BitLocker.