How to install:

First in your blender project, go to edit, then choose preferences.

Now in the file explorer, locate the EasyImportAddon.py click it. Then hit install.

Now its installed!

Where to find it:
It can be found in this menu when you drag it out or press N in the 3d Viewport.

Now the buttons are self explanatory, but you need to choose the .blend file your downloading from in the file path.