About This File
.NET Framework 4.5 is a highly compatible, in-place update to .NET Framework 4.
By using the .NET Framework 4.5 together with the C#, Visual Basic, or F# programming language, you can write Windows apps. The .NET Framework 4.5 includes significant language and framework enhancements for C#, Visual Basic, and F# (so that you can more easily write asynchronous code), the blending of control flow in synchronous code, a responsive UI, and web app scalability . The .NET Framework 4.5 adds substantial improvements to other functional areas such as ASP.NET, Managed Extensibility Framework, Windows Communication Foundation, Windows Workflow Foundation, and Windows Identity Foundation. The .NET Framework 4.5 delivers better performance, reliability, and security.
1. On this page, choose the Download button.
2. To install the software now, choose the Run button.
3. To install the software later, choose the Save button. (When you install, the computer must be connected to the Internet.)
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