Microsoft .NET is an open-source platform designed to build and run many different apps, such as
Web apps, web APIs and microservices
Serverless functions in the cloud
Cloud native apps
Mobile apps
Desktop apps
Windows WPF
Windows Forms
Universal Windows Platform
Games
Internet of Things
Machine learning
Console apps
Windows services
Build cross-platform .NET apps
One of the main advantages of using .NET for creating apps is that you can run it on multiple platforms and architectures. Therefore, it's regularly updated for security and quality.
