HiddenMe - Hide desktop icons with a single click.
VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
Camouflage - Do you have way too many items on your desktop? Do you hate cleaning up that mess?
Axcrypt - AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.
Pliim - One click and be ready to go up on stage and present!
Windows BitLocker - This topic provides a high-level overview of BitLocker, including a list of system requirements, practical applications, and deprecated features.