You can only use a trick: start windows2go (Windows 10) from a USB stick, encrypt c: of win7 using a password and the encryption algorithm AES256 (NOT XTS_AES256, aka the "new" method, since win7 does not work with it). Done.
Else, there is no way with win7 pro since it does not support BL on its own.
Bitlocker on windows 7 Pro
Hi support,
How can i be able to enable bitlocker on windows 7 pro?
3 answers
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MTG 1,086 Reputation points
2020-12-15T14:11:13.057+00:00 -
Jenny Feng 13,976 Reputation points
2020-12-16T02:28:56.19+00:00 @Michael Ombima
Hi,BitLocker is unavailable for Windows 7 Pro and it cannot be downloaded and installed. It is available for Windows 7 Ultimate and Windows 7 Enterprise editions
For more information, you may refer to the following link:
https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-7/dd835565(v=ws.10)?redirectedfrom=MSDNHope above information can help you.
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S.Sengupta 10,861 Reputation points MVP
2021-02-04T13:35:09.497+00:00 BitLocker is unavailable for Windows 7 Professional and it cannot be downloaded and installed. It is available for Windows 7 Ultimate and Windows 7 Enterprise editions.