First, I would recommend that you update Atom. The most recent stable version is
1.30.0 and it is much easier to provide support when everybody’s installations are up to date because then we can be sure that following the same steps will lead to the same outcome. The version isn’t your problem, because
1.26.1 isn’t that old, but you should update anyway.
Let’s start with the basics. Do you see a list of open files on the left side of the screen? Do you have tabs above your open files? Can you use ctrl-f to find things? Those are the
find-and-replace packages, respectively. If you see those things, then it isn’t the case that no packages are working.
If you want a definitive answer for whether community packages are working, you should install something that has a clear and obvious view, like
project-viewer. You’ll know that it’s active because it creates a big component on the right side of your window. Autocomplete packages are very context-specific, so if
project-viewer works and you still aren’t seeing the behavior you expect from the others, you will know that something is wrong with the context in which you’re trying to use them.
View -> Developer -> Toggle Developer Tools) by using this line of code in the
Toggle on what, exactly?
It might be helpful for you to post a screenshot of you attempting to activate one of these packages.