How to download satellite products in QGIS using SCP

Satellite data can be downloaded from internet websites (see partial list below) but in QGIS there is a plugin that automates the process (SCP) the semi automatic classification plugin.
In this screencast I demonstrate how to download data using this plugin.
some agencies the supply satellite images include

[Yairsuari]

What do you mean by dont show up?
No layer apears in the layer menue?
Do you get an error message?

[jepsybabia]

hello! what should I do if the bands dont show up?