Simply download the Tor Browser [1], which is simply a hardened version of Firefox that connects to the Tor network.
Don't install addons in this browser. Don't resize the browser window. All tor browsers instances have the same default window size, which prevents websites from tracking you. Obviously don't login into websites with your regular email or provide websites with your PII.
If you are in a country or on a network that blocks the basic Tor network, the FAQ explains how to get around this by using Tor bridges or other techniques [2].
Don't install addons in this browser. Don't resize the browser window. All tor browsers instances have the same default window size, which prevents websites from tracking you. Obviously don't login into websites with your regular email or provide websites with your PII.
If you are in a country or on a network that blocks the basic Tor network, the FAQ explains how to get around this by using Tor bridges or other techniques [2].
That's pretty much all you need to know.
[1] https://www.torproject.org/download/
[2] https://support.torproject.org/censorship/