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2009-10-08

Enable BitLocker without TPM chip in Windows 7

In order to encrypt your drives with Bitlocker in Windows 7 without TPM chip you need to choose an alternative way to pass the authentication, e.g. saving the key on a USB thumb drive.

Run gpedit.msc in Administrator mode and navigate to Local Computer Policy -> Computer Configuration ->  Administrative Templates -> Windows Components ->  BitLocker Drive Encryption -> Operationg System Drives 

"Require additional authentication at startup" to "Enabled"

Proceed with BitLocker encryption in the Control Panel.

That's it.

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