By Achilles Hill | Last Updated
If you are going to encrypt the Windows partition(C drive) on your computer, then BitLocker Drive Encryption must be a useful utility for you. With the help of BitLocker, your C drive can be effectively free of unauthorized access so that its data and your OS is strongly protected. So, how to encrypt the C drive with BitLocker in Windows 10? This post will give you the detailed answers in the following part.
1. Make sure that your operating system is Pro, Enterprise or Education editions of Windows 10 which supports the BitLocker encryption.
2. If there is a TPM chip on your PC motherboard, please remember to enable it. If there is not, you have to make some settings to allow BitLocker without a compatible TPM.
3. You are suggested to backup the C drive in case that the system partition is damaged caused by unexpected accidents or wrong operations during the BitLocker encryption process.
Step 1: Access This PC and right-click the C drive to choose Turn on BitLocker option.
Step 2: Choose the wanted unlock method in the shown wizard.
Note: When you BitLocker encrypt the Windows partition with TPM, its unlock options can be shown after configuring the settings below:
Open Local Group Policy Editor firstly. Then navigate to the path 'Computer Configuration > Administrative Templates > Windows Components > BitLocker Drive Encryption > Operating System Drives' and double-click Require additional authentication at startup in the left pane. Lastly, modify the options as like the following window.
Step 3: Follow the instructions of the selected unlock method and click Next button to move on.
Step 4: Determinate the destination to store your BitLocker key and hit Next button. If you choose Save the file, you have better to store the file in an external drive. When you choose Save to a USB flash drive or Print the recovery key, you need to keep the USB drive or printed paper in a safe place.
Step 5: Choose how much of your drive to encrypt: Encrypt used disk space only or Encrypt entire drive. After that, select Next option.
Step 6: Check the encryption mode and New encryption mode is worth selecting here.
Step 7: Tick the option Run BitLocker system check and click Continue button.
Step 8: A box will be popped out to inform you that system restart is needed for encrypting the system partition.
Step 9: Unlock the C drive with the method you chose before.
Step 10: After you login your Windows 10, BitLocker will begin encrypting your system partition. To check the encryption progress, you can click the up arrow of the taskbar and choose the BitLocker icon.
Step 11: When BitLocker ends the Windows partition encryption task, you will receive a prompt box.
iSunshare BitLocker Genius for Windows is an excellent alternative of Windows BitLocker Drive Encryption, which allows users to encrypt the Windows partition within fewer and easier operations. You can apply this useful disk encryption tool when BitLocker Drive Encryption doesn't work or you want an intuitive and simple way to finish the encryption job.
5 Steps to Use BitLocker Genius for Windows
Step 1: Download and install iSunshare BitLocker Genius for Windows on your PC.
Step 2: Run the tool and right-click the C drive in the compact using interface. Then, select Turn on BitLocker option from the context menu.
Step 3: Enter a strong BitLocker password for your C drive and re-enter it for confirmation. After that, click save to file option to store the BitLocker recovery key file to an external drive like the USB disk.
Step 4: Choose to only encrypt the used space of the C drive or encrypt the entire system partition. Next, hit Encrypt button to start the BitLocker encryption.
Step 5: Once the Windows partition is encrypted with BitLocker successfully, you will see a small box written with Encrypt successfully.
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