How to Unlock Bitlocker Encrypted Drive from Command Prompt

Unlocking a Bitlocker Drive with a Password

1. 
   Run Command Prompt as an administrator.

   • On Windows 10:
     • On the bottom-left corner of the screen, type in "cmd" on the search box.
     • Right-click on the search result of Command Prompt, and then select 'Run as administrator'.
   • On Windows 10/8/7:
     • Press 'Win+R' keys to open Run application.
     • Type in: cmd, and then press 'Shift+Ctrl+Enter' keys.
     • Click on Yes on User Account Control screen, then the Command Prompt will be opened as an administrator.
2. 
   On Command Prompt screen, type in the command line and execute it.

   • Type in command line: Manage-bde -unlock E: -password
   • And then press Enter to execute it.
3. 
   Type in password to unlock Bitlocker drive. If the command above executes successfully, you will get the message asking to enter the password to unlock this volume. 

   • Type your Bitlocker drive encrypted password, and then press Enter.
   • The password is invisible on the Command Prompt screen, so make sure the password you type in is correct, or you will need to type in the command again.
   • If the password is correct, you will get the message saying 'the password successfully unlocked volume X:', which means the Bitlocker drive was unlocked with the password from Command Prompt.