Interesting tools:
Tor: Browse anonymously online, Also allows you to browse .onion sites.
Virtualbox:Run a OS within your OS.
Tails:Download with tor in virtualbox.
Gpg4win:Encryption software.
Bitdefender:Best antivirus software.
Pidgin:Links all instant messaging services.
Websites:
The Hidden Wiki:Resourceful Information
Hackthissite:Legally Try your Hacking skills.
Sigaint:Darknet Email.
If you think about breaking the law, just take a look at what happened to this guy.
However, the FBI may have hacked themselves. Overstepping the 4th amendment.