It seems one of the most frequently asked questions is ‘why aren’t my plugins showing up in the admin interface for ‘plugins?’ so perhaps it might be worth putting a sticky for questions like these?
We do put up stickies for questions like those. However, that’s the first time I’ve ever seen that question asked on these forums. It’s not a particularly frequent problem. You upload your plugins and that’s pretty much that. If they’re not showing up, you didn’t upload them to the right place.
Also, for questions like that, people would do better by simply reading the documentation, which has lots of questions like that answered quite clearly:
https://codex.www.ads-software.com/FAQ