Windows 8.1 Pro, the version of
Windows that Microsoft pitches on its website, includes built-in drive
encryption tools. These tools work even if you don't have a TPM chip. TPM, or
Trusted Platform Module, is encryption-ready hardware. You'll need a spare USB
thumb drive, though.
Amusingly, encryption tools are
hidden away in the depths of the machine, so finding them can make you feel
like an International Person of Mystery.
Nevertheless, here's how to go about
it:
Step 1
Verify that your machine is running
Windows 8 Pro or Windows 8.1 Pro by launching the Control Panel. The Control
Panel can be accessed from the new Windows 8-style Search Charm -- type
"Control Panel" in the search box.
Click or touch System and Security,
and then System. The Windows Edition will be listed.
Step 2
Enter the term
"gpedit.msc" in the search charm's text box. Then browse the
hierarchical menu structure, moving from Open Computer Configuration to
Administrative Templates to Windows Components to BitLocker Drive Encryption to
Operating System Drives.
Then right-click on the third
option, labeled "Require additional authentication at startup." Then
check the Allow BitLocker without a compatible TPM check box. Click Apply and
then OK.
Step 3
Enter the term "BitLocker"
in the Windows Search Charm and then "Manage BitLocker." Or scroll
down to BitLocker Drive Encryption from System in Control Panel.
Step 4
Turn on BitLocker.
Step 5
Insert a USB flash drive into the
PC's USB jack and follow the prompts.
Step 6
Create a Recovery Key by following
the prompts to save a backed-up key to an external source -- like another PC on
your network or a second USB drive -- or by printing it.
Step 7
Choose how much of the drive you'd
like to encrypt by selecting the appropriate radio button..
Step 8
Select the Run BitLocker System
Check check box. This will verify encryption keys.
Step 9
Restart the computer. The computer
will restart, and the drive will start encrypting. The USB drive should be in
the USB jack at this step. Allow the encryption to take place.
Step 10
Remove the USB drive and restart the
PC to test. You'll be prompted to insert the USB drive key.
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