As a general-purpose programming language, C++ can really be used to accomplish just about any sort of programming task. Alas, this does not mean that the language is equally good at all tasks or a natural choice for handling all problems. However, the languages are used to build an extraordinarily wide variety of different kinds of programs. It has been used to create everything from operating systems and web browsers to IoT devices like smart TVs and smartwatches. It’s also used to build widely-used database languages like MySQL and MongoDB.
Perhaps most excitingly for many, C++ is widely used for gaming. Its speed and high performance actually make it ideal for this purpose. World of Warcraft is just one very famous video game that was coded in C++.