All darknets require specific software installed or network configurations made to access them, such as, which can be accessed via a customized browser from (aka the Tor browser bundle), or alternatively via a configured to perform the same function. Tor is the most popular instance of a darknet, and it is often mistakenly thought to b. All darknets require specific software installed or network configurations made to access them, such as, which can be accessed via a customized browser from (aka the Tor browser bundle), or alternatively via a configured to perform the same function. Tor is the most popular instance of a darknet, and it is often mistakenly thought to b.