Find your removable drive under Removable data drives – BitLocker To Go and select it. Click Turn on BitLocker to start the encryption process (image shows what it looks like after turning it on).

Essential security for your Windows PC's files. Here's everything you need to know to get started and thrive.

BitLocker is officially only available for Windows 10/11 Pro. However, the tool is actually also included in the Home versions, just hidden.