35+ Library Manager Arduino Background. Two of these methods can be done with menu options. The library manager is part of the visual micro explorer, which you can open by clicking the symbol the library manager lets you install and deinstall libraries from arduino and other manufacturers.
Platformio library manager is a tool for managing libraries of platformio registry and vcs repositories (git, hg, svn).
At the top of the drop. The library manager is the simplest and safest way to install libraries. Library has a line something similar to requires=<other library's name>:<optiona. Then the library manager will open and you will find a list of libraries that are already installed or in the arduino ide, navigate to sketch > include library > add.zip library.