How to install apps on CentOS - the basics (RPMs and Appimages)

How to insstall apps on CentOS

Installing RPMs

Starting with CentOS can be hard. I mean, searching up support for CentOS brings you nothing! This article is the basic rundown of what you need when getting started from Microsoft Windows to CentOS. This page assumes you have the basics down - the operating system is installed, you're reading this on your phone or something, and you have a display on your screen that looks something like this:
The basic desktop in CentOS 8

Well, Firefox should be preinstalled on your computer. To open it, press the "command" or "windows key" on your keyboard, and Firefox should be on the bar on the left. If not, click the 9 dots at the bottom of the bar. An image is attached below to make things clearer.
These may not be the apps on the left bar, but you get the idea.
Then, once you find Firefox in the list, double-click it.
Then, if Firefox is not your browser of choice, go to the official website for the browser, then install the ".rpm" file. If there is an "Appimage" file, I really recommend not using that browser. For this, I will be using Vivaldi.
The appropriate installation for Vivaldi

Once you have the ".rpm" file installed, open the Files app, and find your way to the file. Then, double-click it. You should be greeted with an app called "software" and a prompt that says to install. Just click the install button, enter your password, and watch as it installs. Then, you will see something like this:
After Installation
Just click launch. Ta-da!

Appimages

Let's get something straight - there a .Appimage file is not an application. It will not show up in your applications list. It is not an application. I can't stress this enough. The only time people use Appimages is when you have no other alternative.
Anyways.
After you download the Appimage, and open the file's location, it should show up.
Then, right click it, and click properties, switch to the "permissions" tab, and click "allow file to execute as a program".
It opens an app. When you quit the app, and you want to open in again, you have to relocate the file and execute it again. Note - you do not have to change the permissions again.

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