I am new in the field of geospatial analysis and I'm trying to learn how to process satellites images for remote sensing purposes. I think that my problem is a very basic one.
I'm following some tutorials that suggest to download Landsat CDR from Earth explorer provided by USGS. Unfortunately, despite I am correctly logged in, the option to download what I want do not appear to me (see attached images taken from one previously cited tutorial).
How can I do to resolve this problem?