Can I encrypt a partition/drive without losing the data currently stored on it? Yes, but the following conditions must be met: •
If you want to encrypt an entire system drive (which may contain multiple partitions) or a system partition (in other words, if you want to encrypt a drive or partition where Windows is installed), you can do so provided that you use TrueCrypt 5.0 or later and that you use Windows XP or a later version of Windows (such as Windows 7) (select ‘ System
’ > ‘ Encrypt
System Partition/Drive
’ and then follow the instructions in the wizard). •
If you want to encrypt a non-system partition in place, you can do so provided that it contains an NTFS filesystem, that you use TrueCrypt 6.1 or later, and that you use Windows Vista or a later version of Windows (for example, Windows 7) (click ‘ Create Volume
’ > ‘ Encrypt a non-system partition
’ > ‘ Standard volume
’ > ‘ Select Device
’ > ‘ Encrypt partition in place
’ and then follow the instructions in the wizard).
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Can I run TrueCrypt if I don’t install it? Yes, see the chapter Portable Mode
. Some encryption programs use TPM to prevent attacks. Will TrueCrypt use it too? No. Those programs use TPM to protect against attacks that require the attacker to have administrator privileges, or physical access to the computer, and the attacker needs you to use the computer after such an access. However, if any of these conditions is met, it is actually
