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Microsoft is making BitLocker device encryption a default feature in its next major update to Windows 11. If you clean install the 24H2 version that\u2019s rolling out in the coming months, device encryption will be enabled by default<\/a> when you first sign in or set up a device with a Microsoft account or work \/ school account.<\/p>\n<\/div>\n Device encryption is designed to improve the security of Windows machines by automatically enabling BitLocker encryption on the Windows install drive and backing up the recovery key to a Microsoft account or Entra ID. <\/p>\n<\/div>\n In Windows 11 version 24H2, Microsoft is reducing the hardware requirements for automatic device encryption, opening it up to many more devices \u2014 including ones running the Home version of Windows 11. Device encryption no longer requires Hardware Security Test Interface (HSTI) or Modern Standby, and encryption will also be enabled even if untrusted direct memory access (DMA) buses \/ interfaces are detected.<\/p>\n<\/div>\n The latest Windows 11 version 24H2 update comes preinstalled on Microsoft\u2019s range of Copilot Plus PCs and is expected to be available on existing machines in late September. That means if you clean install Windows 11 later this year or buy a new PC with 24H2 installed, BitLocker device encryption will be enabled by default. If you just upgrade to 24H2, Microsoft won\u2019t enable device encryption automatically.<\/p>\n<\/div>\n The feature could impact SSD performance on some devices. Tom\u2019s Hardware <\/em>tested<\/a> this software version of BitLocker last year and found it could slow drives by up to 45 percent. We\u2019ve asked Microsoft repeatedly since early May to comment on BitLocker device encryption being enabled by default, but the company has only confirmed its plans through support documents<\/a> where there is no mention of any potential performance impacts.<\/p>\n<\/div>\n You can avoid automatic device encryption if you\u2019re using a local account on a clean Windows 11 version 24H2 install. When you first set up a new machine and log in with a local account, you\u2019ll be prompted to sign in with a Microsoft account to finish encrypting the device. BitLocker can still be manually enabled using the BitLocker Control Panel on local accounts, though. You can also disable device encryption through a toggle in the privacy and security section of Windows 11\u2019s settings interface.<\/p>\n<\/div>\n