As an electrical engineer, I have used many freeware, shareware, and very expensive paid software packages for circuit design.
The best I have ever found, for any price, is Fritzing
You’ll find it in your Package Manager, just do a search for it, and then do the install. It will install the main program, plus the data files.
The beauty of this software, is that it’s not just software, there is also an entire community on their web site *(above link) where you can learn not only how to use the software, but also how to get started designing electronics projects yourself.
Using the software, you can drag and drop components directly on to a breadboard, hook them up with wires, and then click over to the schematic tab or the circuit board tab so you can even etch your own circuit board for your project.
What I really like is that not only do they include basic components like resistors, capacitors, inductors etc., it also includes entire modules for systems like the Raspberry Pi, Arduino, and many of the great kit boards from Sparkfun
You can spend hours and hours on their web site, and if you’re new to electronics, I’d recommend you start Right Here
So turn on the Maker inside of you, and start learning, designing, and playing with your new creations!