Download .NET Framework 4.5.1 for Windows 10: Fast, Easy, and Secure
How to Download and Install .NET Framework 4.5.1 for Windows 10
If you are a Windows 10 user, you may have encountered some applications or programs that require the Microsoft .NET Framework 4.5.1 to run properly. The .NET Framework is a software platform that provides a set of libraries and tools for developing and running applications that use .NET technologies, such as C#, VB.NET, ASP.NET, WPF, WCF, WF, and more.
In this article, we will show you what is .NET Framework 4.5.1, why do you need it, how to download it from official sources, how to install it on Windows 10, and how to troubleshoot common issues with the installation process.
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What is .NET Framework 4.5.1 and why do you need it?
The Microsoft .NET Framework 4.5.1 is a highly compatible, in-place update to the Microsoft .NET Framework 4 and the Microsoft .NET Framework 4.5. It was released in October 2013 and it is no longer supported by Microsoft since January 2016. However, some applications or programs may still require this version of the .NET Framework to run properly on Windows 10.
Features and benefits of .NET Framework 4.5.1
The .NET Framework 4.5.1 adds substantial improvements to other functional areas such as ASP.NET, Managed Extensibility Framework, Windows Communication Foundation, Windows Workflow Foundation, and Windows Identity Foundation. Some of the features and benefits of the .NET Framework 4.5.1 are:
Improved performance, reliability, and security
Support for asynchronous programming with async and await keywords in C# and VB.NET
Support for automatic binding redirection for assemblies
Support for portable class libraries that can target multiple platforms
Support for debugging Windows Store apps with managed code
Support for diagnostics tools such as EventSource and ETW
Support for ASP.NET app suspension that improves the responsiveness of web sites
Support for Entity Framework 6 that enables data access for applications
Support for Windows Store apps development with C# or VB.NET
Support for Windows Phone apps development with C# or VB.NET
System requirements and compatibility of .NET Framework 4.5.1
The system requirements for installing the .NET Framework 4.5.1 are:
Operating system: Windows Vista SP2, Windows 7 SP1, Windows Server 2008 SP2, Windows Server 2008 R2 SP1, Windows Server 2012, or Windows Server Core
Processor: Minimum Pentium III or equivalent CPU
Memory: Minimum 512 MB RAM
Disk space: Minimum 850 MB (32-bit) or 2 GB ( 64-bit) of available hard disk space
Internet connection: Required for web installer
The .NET Framework 4.5.1 is compatible with the following operating systems and platforms:
Operating system
Platform
Windows 10
x86, x64, ARM
Windows 8.1
x86, x64, ARM
Windows 8
x86, x64, ARM
Windows 7 SP1
x86, x64
Windows Vista SP2
x86, x64
Windows Server 2012 R2
x64, Server Core Role
Windows Server 2012
x64, Server Core Role
Windows Server 2008 R2 SP1
x64, Server Core Role
Windows Server 2008 SP2
x86, x64, Server Core Role
How to download .NET Framework 4.5.1 from official sources
The .NET Framework 4.5.1 can be downloaded from the official Microsoft website or from the Windows Update service. There are two types of installers available: web installer and offline installer.
Web installer vs offline installer
The web installer is a small file that downloads and installs the required components of the .NET Framework 4.5.1 from the Internet. The web installer is recommended for most users as it saves disk space and bandwidth. However, the web installer requires an Internet connection during the installation process and it may not work if you have a proxy or firewall that blocks the connection.
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The offline installer is a large file that contains all the components of the .NET Framework 4.5.1 and can be installed without an Internet connection. The offline installer is useful for users who want to install the .NET Framework 4.5.1 on multiple computers or who have a slow or unreliable Internet connection. However, the offline installer takes more disk space and bandwidth to download and install.
Steps to download .NET Framework 4.5.1 web installer
To download the .NET Framework 4.5.1 web installer, follow these steps:
Go to the .
Select your preferred language from the drop-down menu and click Download.
Save the file (NDP451-KB2858728-x86-x64-AllOS-ENU.exe) to your computer.
Run the file and follow the instructions on the screen to complete the installation.
Restart your computer if prompted.
Steps to download .NET Framework 4.5.1 offline installer
To download the .NET Framework 4.5.1 offline installer, follow these steps:
Go to the .
Select your preferred language from the drop-down menu and click Download.
Save the file (NDP451-KB2858728-x86-x64-AllOS-ENU.exe) to your computer.
Run the file and follow the instructions on the screen to complete the installation.
Restart your computer if prompted.
How to install .NET Framework 4.5.1 on Windows 10
The installation process of the .NET Framework 4.5.1 on Windows 10 is similar for both web installer and offline installer. However, there are some differences depending on whether you have an older version of the .NET Framework installed or not.
Steps to install .NET Framework 4.5.1 web installer on Windows 10
If you have an older version of the .NET Framework installed on your Windows 10 computer, such as .NET Framework 4 or .NET Framework 4.5, you can use the web installer to upgrade to the .NET Framework 4.5.1. Follow these steps:
Run the web installer file (NDP451-KB2858728-x86-x64-AllOS-ENU.exe) that you downloaded from the official Microsoft website.
Accept the license terms and click Install.
Wait for the installation to complete. You may see a progress bar and some messages on the screen.
Restart your computer if prompted.
If you do not have any version of the .NET Framework installed on your Windows 10 computer, you can use the web installer to install the .NET Framework 4.5.1. However, you will also need to install the .NET Framework 4.5 first, as it is a prerequisite for the .NET Framework 4.5.1. Follow these steps:
Go to the .
Select your preferred language from the drop-down menu and click Download.
Save the file (dotNetFx45_Full_setup.exe) to your computer.
Run the file and follow the instructions on the screen to complete the installa