The .NET framework is a Microsoft robust technology that support to build and run next generation of applications on desktop and mobiles devices. This consist of the common language runtime (CLR) and framework class library.
The CLR is the foundation of the .NET framework, it provides core services like memory management, process management, threads management, remoting, code accuracy, code safety, compilation, security of data and robustness and other system services.
The class library is an object oriented collection of reusable types that we can use to develop user friendly, command line application using windows or web forms.
.NET framework can be install on any Microsoft windows OS i.e. Windows XP and later OS. It also requires minimum configuration which is available globally.
Processor 1GHz, RAM 512 MB, Minimum free HDD space 5GB.
The following table shows version history and correlates each version with visual studio, operating system. Each new version retain features from the previous version. With .NET Framework CLR also have its own version numbers. All the details described in the table describe below.
| .Net Version | Released Date | CLR Version | Features | Visual Studio | Supported Operating Systems |
| 4.6.1 | ?2015-11-17 | ?4.0 |
Support for X509 certificates containing ECDSA Always Encrypted support for hardware protected keys in ADO.NET Spell checking improvements in WPF |
?2015 Update 1 | ?7,8,8.1, 10, Server 2008, 2008 R2, 2012, 2012 R2 |
| 4.6 | ?2015-07-20 | ?4.0 |
Compilation using .NET Native Introduced RyuJIT, a new JIT compiler for 64-bit systems Introduced Open Source .Net Framework Packages Support for Code page encodings Improvements to event tracing |
?2015 | ?7,8,8.1, 10, Server 2008, 2008 R2, 2012, 2012 R2 |
| 4.5.2 | ?2014-05-05 | ?4.0 |
New APIs for transactional systems and ASP.NETSystem DPI resizing in Windows Forms controls Profiling improvements ETW and stress logging improvements |
?- | ?7,8,8.1, 10, Server 2008, 2008 R2, 2012, 2012 R2 |
| 4.5.1 | ?2013-10-17 | ?4.0 |
?Additional performance improvements Support for automatic binding redirection Expanded support for Store apps |
?2013 | ?7,8,8.1, 10, Server 2008, 2008 R2, 2012, 2012 R2 |
| 4.5 | ?2012-08-15 | ?4.0 |
Support Windows Store apps More updates in WCF, WPF Asynchronous file operation Improvement in parallel computing |
?2012 | ?7,8,8.1, 10, Server 2008, 2008 R2, 2012, 2012 R2 |
| 4.0 | ?2010-04-12 | ?4.0 |
Parallel Computing Networking Cross Platform development Code Contracts Background garbage collection |
?2010 | ?7,8,8.1, 10, Server 2008, 2008 R2, 2012, 2012 R2 |
| 3.5 | ?2007-11-19 | ?2.0 |
AJAX Support LINQ |
?2008 | ?7,8,8.1, 10, Server 2008, 2008 R2 |
| 3.0 | ?2006-11-06 | ?2.0 |
WCF WPF Card Space |
?Added Blend | ?Vista, Server 2008, 2008 R2 |
| 2.0 | ?2005-11-07 | ?2.0 |
64bit Support ACL Support Remoting Generics Classes FTP Support |
?2005 | ?XP, Server 2003, 2008, 2008 R2 |
| 1.1 | ?2003-04-24 | ?1.1 |
?.NET Compact Framework ADO.NET and .NET Framework security |
?2003 | ?XP , Server 2003 |
| 1.0 | ?2002-02-13 | ?1.0 | Initial version of the .NET Framework | ?Visual Studio .NET | ?XP |
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