C# – P4TE

C# is an object-oriented programming language, developed at Microsoft and designed for creating applications that run on the .NET Framework.

Visual C# is the implementation of the C# programming language by Microsoft.

@ Microsoft
C# Documentation
C# Language Reference
C# Programming Guide
C# Version History
What’s New In C#

For books and videos about C#, click here.

NEWS

In 1996, Anders Hejlsberg, Scott Wiltamuth, and Peter Golde were the principal inventors of C#.

In 2012, Mads Torgersen became the Program Manager and Lead Designer for C# at Microsoft.

ECMA, also known as the European Computer Manufacturers Association, a standards organization for information and communication systems, released ECMA-334, C# Language Specification, First Edition, in December 2001.

C# 1, or C# version 1.0, with Visual Studio 2002 version 7.0 and .NET Framework 1.0, was released on February 13, 2002.

ECMA released ECMA-334, C# Language Specification, Second Edition, in December 2002.

C# 2, or C# version 2.0, with Visual Studio 2005 version 8.0 and .NET Framework 2.0, was released on November 07, 2005.

ECMA released ECMA-334, C# Language Specification, Third Edition, in June 2005.

ECMA released ECMA-334, C# Language Specification, Fourth Edition, in June 2006.

C# 3, or C# version 3.0, with Visual Studio 2008 version 9.0 and .NET Framework 3.0, was released on November 19, 2007.

C# 4, or C# version 4.0, with Visual Studio 2010 version 10.0 and .NET Framework 4.0, was released on April 12, 2010.

C# 5, or C# version 5.0, with Visual Studio 2012 version 11.0 and .NET Framework 4.5, was released on September 12, 2012.

C# 6, or C# version 6.0, with Visual Studio 2015 version 14.0 and .NET Framework 4.6, was released on July 20,

C# 7, or C# version 7.0, with Visual Studio 2017 version 15.0 and .NET Framework 4.6.2, was released on March 07, 2017.

ECMA released ECMA-334, C# Language Specification, Fifth Edition, in December 2017.

C# 8, or C# version 8.0, with Visual Studio 2019 version 16.0 and .NET Framework 4.8, was released on April 02, 2019.

C# 9, or C# version 9.0, with Visual Studio 2019 version 16.8 and .NET 5.0 was released on November 10, 2020.

C# 10, or C# version 10.0, with Visual Studio 2022 version 17.0 and .NET 6.0 was released on November 08, 2021.

ECMA released ECMA-334, C# Language Specification, Sixth Edition, in June 2022.

C# 11, or C# version 11.0, with Visual Studio 2022 version 17.4 and .NET 7.0 was released on November 08, 2022.

C# 12, or C# version 12.0, with Visual Studio 2022 version 17.8 and NET 8.0, was released on November 14, 2023.

ECMA released ECMA-334, C# Language Specification, Seventh Edition, in December 2023.

C# 13, or C# version 13.0, with Visual Studio 2022 version 17.12 and NET 9.0, was released on November 12, 2024.

C# 13, or C# version 14.0, with Visual Studio 2025 and NET 10.0, was released on November 11, 2025.

Here are indicators that rank programming languages.

Where do we go from here?
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