VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.

Many people, like me, use it to encrypt password backups, but overall it can be used to encrypt anything you want.

Here's a link to their website: https://www.veracrypt.fr/en/Home.html

Context on how to run the script

BlueStacks is an android emulator for Windows.

I personally use it to play Clash Royale and Clash of Clans on my PC.

Here's a link to their website: https://www.bluestacks.com/