Sergei Strelec is a popular bootable Windows PE (Preinstallation Environment) that offers various tools for system recovery, data extraction, and password recovery. BitLocker is a full disk encryption feature in Windows that protects data by encrypting entire volumes. However, if you forget your BitLocker password or lose your recovery key, you might think your data is inaccessible. This guide will walk you through using Sergei Strelec to unlock BitLocker-encrypted drives.