Uploaded files txt, pdf to buckets do not open when double click, just bucket metadata shown ?

Google changed public access to double click does not work directly. Can view via metadata screen and bleive not public

The interface has changed a lot since the course was recorded. At the moment, in order to open the file in browser you will need to use the Download button (found in the right most of the line of each object). If your object is not public, you will be able to see the object in browser via an authenticated URL. If your object is public, you will be able to see it with a direct link. You can also obtain the public URL of an object after it’s made public.