It all starts with the Operating Systems you're using. Your OS might compromise your privacy. We have listed all the OS that we recommend to you. You can make your own choice which OS will suit you the best.
Qubes OS
Qubes OS is a security-focused desktop operating system that aims to provide security through isolation. Qubes takes an approach called security by compartmentalization, which allows you to compartmentalize the various parts of your digital life into securely isolated compartments.
Tails
Tails is a portable operating system that protects your privacy and helps you avoid censorship. It is aimed at preserving privacy and anonymity and will leave no digital footprint (no trace) on the computer unless explicitly told to do so. It's forcing Internet connections through the Tor network.
Whonix
Software that anonymize everything you do online. It's a security-focused full operating system that runs inside your current one. It aims to provide privacy, security and anonymity on the internet. All communications are forced through the Tor network.