- Previous versions of .NET Core required a `t` parameter, that is `dotnet new -t web`. If you get an error running `dotnet new web`, install the latest [.NET Core](https://microsoft.com/net/core). `dotnet` (with no parameters) will display the .NET Core version.
For more getting-started tutorials, see [ASP.NET Core Tutorials](tutorials/index.md)
For an introduction to ASP.NET Core concepts and architecture, see [ASP.NET Core Introduction](index.md) and [ASP.NET Core Fundamentals](fundamentals/index.md).
An ASP.NET Core app can use the .NET Core or .NET Framework runtime. For more information, see [Choosing between .NET Core and .NET Framework](https://docs.microsoft.com/dotnet/articles/standard/choosing-core-framework-server).