BitLocker is Windows 11's built-in encryption tool, and you can turn it off through Settings if you have the right permissions

BitLocker encrypts your hard drive so that if someone steals your computer, they cannot read the files without your password. On Windows 11 Pro, Enterprise, and Education editions, it turns on automatically in some cases. If you want to decrypt your drive and turn off BitLocker, you need administrator access and about 10 minutes to start the process — though the actual decryption can take hours or days depending on your drive size.

The steps differ slightly depending on whether you have your recovery key, whether BitLocker is actively encrypting right now, and which Windows 11 edition you own. Home edition does not include BitLocker, so if you have Home, you do not need to disable it.

Key Takeaways

  • BitLocker is only on Windows 11 Pro, Enterprise, and Education — Home edition does not have it.
  • You need administrator access and your recovery key (or the ability to reset it) before you start turning off BitLocker.
  • Disabling BitLocker through Settings is the safest method and takes three steps, though decryption itself runs in the background for hours or days.
  • If you lose access to your recovery key before decryption finishes, you may not be able to recover your files.
  • Decryption slows down your computer while it runs, so plan to do this when you are not using the machine for other work.

Check which Windows 11 edition you have and whether BitLocker is actually on

Open Settings by pressing Windows key + I. Go to System in the left menu, then scroll down and click About. Look for the line that says "Edition" — if it says "Home", BitLocker is not installed and you have nothing to disable. If it says Pro, Enterprise, or Education, continue to the next step.

Now check whether BitLocker is actually running. Go back to Settings and search for "BitLocker" in the search box at the top. Click Manage BitLocker. You will see a list of your drives. If the status next to your C: drive (or whichever drive holds Windows) says "BitLocker off" or does not appear in the list at all, BitLocker is already disabled and you are done. If it says "BitLocker on" or "Encryption in progress", continue to the next section.

Locate and save your BitLocker recovery key before you disable anything

Your recovery key is a 48-digit code that unlocks your drive if something goes wrong during decryption or if Windows will not start. Losing this key before decryption finishes can make your files permanently inaccessible. Write it down or save it to a USB drive and a separate location — not on the drive you are decrypting.

To find your recovery key, go back to Manage BitLocker and look for the drive that has BitLocker on. Click the three dots next to it and select Back up your recovery key. You can save it to your Microsoft account, print it, or save it to a file. Do this now, before you go any further.

If you cannot find your recovery key and do not remember it, you can reset it. Click the three dots again and select Manage BitLocker, then look for an option to create a new recovery key. This requires administrator access and your current Windows password.

Disable BitLocker through the Manage BitLocker window

Open Settings, search for "BitLocker", and click Manage BitLocker. Find your main drive (usually C:) in the list. Click the three dots next to it and select Turn off BitLocker. A dialog will appear asking you to confirm — click Turn off BitLocker again.

Windows will now begin decrypting your drive. This happens in the background while you use your computer, but it will slow things down. The time it takes depends on your drive size — a 256 GB drive might take 2 to 4 hours, while a 1 TB drive can take 12 hours or more. You do not have to sit and wait; you can close Settings and use your computer normally.

You can check the progress at any time by going back to Manage BitLocker. The status will show a percentage complete. Do not turn off your computer or unplug it while decryption is running, as this can corrupt your files.

What happens while decryption is running

Your computer will be noticeably slower while BitLocker decrypts your drive in the background. Programs may take longer to open, file transfers will be slower, and your hard drive light will be active most of the time. This is normal and expected. If you need your computer to run at full speed, you can pause decryption by going back to Manage BitLocker, clicking the three dots, and selecting Pause protection. Decryption will resume the next time you restart your computer.

If your computer goes to sleep or hibernates during decryption, the process will pause and resume when you wake it up. You do not need to keep your screen on or stay logged in — decryption continues even if you lock your computer.

Verify that BitLocker is fully off when decryption finishes

Check the Manage BitLocker window periodically. When the percentage reaches 100%, the status will change to "BitLocker off". At that point, your drive is no longer encrypted and BitLocker is completely disabled. You can now delete your recovery key if you saved it separately, though keeping a copy in a safe place does not hurt.

If you ever want to turn BitLocker back on, you can do so through the same Manage BitLocker window. The process is similar but in reverse — Windows will encrypt your drive, which again takes hours depending on size.

Why you might want to keep BitLocker on instead

BitLocker protects your files if your computer is stolen or lost. Without it, anyone with physical access to your hard drive can read your files, even if Windows is password-protected. If you work with sensitive documents, financial information, or personal data, encryption is worth the small performance cost. If your computer never leaves your home and you live alone, the risk is lower, but it is still there.

If you are disabling BitLocker because it is slowing down your computer, the slowdown is usually temporary — it only happens during the initial encryption or decryption process. Once that finishes, BitLocker has almost no impact on speed. If you are disabling it because you forgot your password, you may be able to reset it instead of turning off encryption entirely.

Frequently Asked Questions

What if I forgot my BitLocker password and cannot find my recovery key?

If you cannot access your recovery key and do not remember your password, you cannot decrypt your drive through normal means. Your only option is to contact Microsoft Support with proof of ownership, or to perform a clean Windows installation on a different drive. This is why saving your recovery key before you need it is critical.

Can I disable BitLocker on just one drive if I have multiple encrypted drives?

Yes. In the Manage BitLocker window, you will see all your encrypted drives listed separately. You can turn off BitLocker on one drive while leaving it on for others. Each drive decrypts independently.

Will disabling BitLocker delete my files?

No. Disabling BitLocker decrypts your files so they are no longer encrypted, but the files themselves remain on your drive. You will not lose any data. However, if something interrupts the decryption process — like a power failure — your drive could become corrupted, which is why you should not turn off your computer while decryption is running.

How long does it actually take to decrypt a drive?

Decryption speed depends on your drive size and type. A solid-state drive (SSD) decrypts faster than a traditional hard drive (HDD). A 256 GB SSD might take 1 to 2 hours, while a 1 TB HDD could take 8 to 12 hours or more. The exact time varies based on how much data is on your drive and how busy your computer is.

Can I use my computer normally while BitLocker is decrypting?

Yes, but it will be slower. Decryption runs in the background and shares your drive's processing power with whatever else you are doing. If you need your computer to run at full speed, pause decryption, use your computer, then resume it later.