Once activated, BitLocker encrypts the entire drive where Windows lives. It uses the (128-bit or 256-bit, depending on your settings) to scramble data on the fly. When you read or save a file, BitLocker decrypts and re-encrypts it transparently—you’ll never notice it working.
– Before selling or recycling an old PC, you can simply turn off BitLocker and securely wipe the drive—or keep it encrypted so the next owner can’t recover deleted files. The Catch: Don’t Lose That Key BitLocker’s greatest strength is also its greatest risk. If you lose your recovery key and the TPM fails (or you forget a PIN/password), your data is gone forever. Microsoft won’t unlock it. No backdoors exist. bitlocker for windows 10
Windows 10 Pro users already paid for BitLocker. It’s sitting there, dormant, waiting for you to flip the switch. A few clicks today can save you from a nightmare tomorrow—when your laptop walks away and your only regret is not turning it on. Once activated, BitLocker encrypts the entire drive where