how can i download monitoring software (ie: camera) to my dvr, roku, etc.

[Anj___]

I am learning how to make surveillance cameras out of household items and am stuck

 

[Anj___]

MERGED QUESTION
Question from Anj___ : "IP address as a website to view video"

How does an IP address allow you to view video? mine will never load?

 

[Anj___]

MERGED QUESTION
Question from Anj___ : "How can I make my chromebook run webcam so I may remotely monitor house?"

How can I download an extension to chromebook so that I may remotely monitor home?