The Conan team provides an introduction and demonstration for the open-source C++ graphics library known as ImGui. To show the basics of ImGui, we will create a simple application with some controls like buttons, scrollbars, color editors, and more. We will show how easily and quickly you can create a graphical user interface using this library. Finally, we will show how to a simple way to build ImGui using packages with Conan, the package manager for C and C++.