This will display the New Project dialog, allowing you to select a template to create your application. Creating an ASP.NET Core app in Visual Studio for Mac NET Core supported in Visual Studio for Mac, see. NET Core 3.1 is automatically installed when you install Visual Studio for Mac. It's been tuned for fast performance, factored for small install sizes, and reimagined to run on Linux and macOS, as well as Windows. Visual Studio for Mac makes it easy to develop your app's service with its support for the latest ASP.NET Core Web development platform.