Silver Key is a free SFX maker software for Windows 11/10. It is primarily designed to encrypt data and generate encrypted parcels that can be sent over the internet securely.

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

VeraCrypt VeraCrypt should be your go-to for file encryption. It's completely free, cross-platform, and easy to use. Plus, it's open source. See at VeraCrypt ...

On top of that, Microsoft's BitLocker automatically uses drives' built-in encryption (if available) on Windows 10.

Popular encryption apps are probably secure if government officials rely on them.