Simple tools and steps to set up full end to end encryption using decentralized and privacy oriented applications. No middle man and these tools are not encrypted texting applications. You can BitMessage us if you have any questions on how to set up some of these tools.
1. ) Sign up for protonmail and download the protonmail encryption bridge.
2. ) Download open source encryption software Kleopatra OpenGPG for windows
https://www.gpg4win.org/download.html
3. ) Download open source mail client Thunderbird.