Respuesta :
The most likely to help a teen have a healthy online behaviour is avoiding downloading software from someone you don't know.
What is healthy online behaviour?
Healthy online behaviour is defined as online behaviour that adds value. This behaviour should be encourage in teens to avoid influencing others negatively or disturbing the internet space.
Only posting insult under a fake username will not help a teen have an online health behaviour.
Clicking as many link as possible in a website will not help a teen to have an online health behaviour.
Obtaining a recent version of all apps will not help a teen to have an online health behaviour.
The best option that encourages healthy behaviour in teens is to avoid downloading software form unknown sources.
learn more on healthy online behaviour here: https://brainly.com/question/16780066