BitLocker Drive Encryption – Fixed Disk Drives:

In this section, you can view information on hard disk drives connected to your computer and their current BitLocker Encryption status.

Select Manage your PIN to change the PIN used by BitLocker to unlock your operating system drive.

Select Manage your password to change the password that is used by BitLocker to unlock your other internal drives.

BitLocker Drive Encryption - External Drives:

In this section, you can view information on external drives (such as a USB thumb drive) connected to your computer and their current BitLocker Encryption status.

Select Manage your password to change the password that is used by BitLocker to unlock your encrypted external drives.

Advanced:

• TPM Administration  Selecting this option will open the TPM Administration tool in a separate window. From here you can configure common TPM tasks and obtain information about the TPM chipset. You must have administrative permissions on your computer to access this tool.
  
  
• Disk Management  Selecting this option will open the Disk Management tool. From here you can view the information for all hard drives connected to the computer and configure partitions and drive options. You must have administrative rights on your computer to access this tool.
  
  

Concepts

BitLocker Encryption Overview
About the Computer TPM Chip
Using Your PIN or Password