Roku activation codes can be entered through History.com, MyLifetime.com and NBC.com, as of 2015. Roku is a company that produces streaming devices. The devices provide individuals access to hundreds of TV channels, most of which are free. They also provide access to other streaming services, such as Hulu and Netflix.
Individuals must have Internet to use Roku streaming devices. The company has manufactured a total of four streaming players and one streaming stick. The streaming stick is suitable for wall-mounted TVs, while the streaming players are suitable for TVs placed on stands. The Roku 1 not only works with smart TVs, but with older TV models as well.