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The .NET Framework is required khổng lồ run many applications on Windows. The instructions in this article should help you install the .NET Framework versions that you need. The .NET Framework 4.8 is the latest available version.

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You may have arrived on this page after trying to run an application & seeing a dialog on your machine similar khổng lồ the following one:

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.NET Framework 4.8

.NET Framework 4.8 is included with:


.NET Framework 4.8 can be used khổng lồ run applications built for the .NET Framework 4.0 through 4.7.2.

You can install .NET Framework 4.8 on:

Windows 10 October 2018 Update (version 1809)Windows 10 April 2018 Update (version 1803)Windows 10 Fall Creators Update (version 1709)Windows 10 Creators Update (version 1703)Windows 10 Anniversary Update (version 1607)Windows vps 2019Windows Server, version 1809Windows Server, version 1803Windows server 2016

The .NET Framework 4.8 is not supported on:

Windows 10 1507Windows 10 1511

If you"re using Windows 10 1507 or 1511 and you want lớn install .NET Framework 4.8, you first need khổng lồ upgrade lớn a later Windows 10 version.

.NET Framework 4.6.2

The .NET Framework 4.6.2 is the latest supported .NET Framework version on Windows 10 1507 và 1511.

The .NET Framework 4.6.2 supports apps built for the .NET Framework 4.0 through 4.6.2.

.NET Framework 3.5

Follow the instructions to lớn install .NET Framework 3.5 on Windows 10.

The .NET Framework 3.5 supports apps built for the .NET Framework 1.0 through 3.5.

Additional information

.NET Framework 4.x versions are in-place updates to lớn earlier versions. That means the following:

You can only have one version of the .NET Framework 4.x installed on your machine.

You cannot install an earlier version of the .NET Framework on your machine if a later version is already installed.

4.x versions of the .NET Framework can be used to run applications built for the .NET Framework 4.0 through that version. For example, .NET Framework 4.7 can be used to lớn run applications built for the .NET Framework 4.0 through 4.7. The latest version (the .NET Framework 4.8) can be used to lớn run applications built with all versions of the .NET Framework starting with 4.0.

For a menu of all the versions of the .NET Framework available to lớn download, see the .NET Downloads page.

Help

If you cannot get the correct version of the .NET Framework installed, you can contact cya.edu.vn for help.

Trong bài viết này

You may need the .NET Framework 3.5 khổng lồ run an app on Windows 11, Windows 10, Windows 8.1, and Windows 8. You can also use these instructions for earlier Windows versions.

Download the offline installer

The .NET Framework 3.5 SP1 offline installer is available on the .NET Framework 3.5 SP1 tải về page và is available for Windows versions prior lớn Windows 10.

Install the .NET Framework 3.5 on Demand

You may see the following configuration dialog if you try to run an phầm mềm that requires .NET Framework 3.5. Choose Install this feature to lớn enable .NET Framework 3.5. This option requires an internet connection.

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Why am I getting this pop-up?

The .NET Framework is created by cya.edu.vn và provides an environment for running applications. There are different versions available. Many companies develop their apps lớn run using the .NET Framework, and these apps target a specific version. If you see this pop-up, you"re trying to lớn run an application that requires .NET Framework version 3.5, but that version is not installed on your system.

Enable the .NET Framework 3.5 in Control Panel

You can enable the .NET Framework 3.5 through the Windows Control Panel. This option requires an internet connection.

Press the Windows key

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on your keyboard, type "Windows Features", và press Enter. The Turn Windows features on or off dialog box appears.

Select the .NET Framework 3.5 (includes .NET 2.0 & 3.0) check box, select OK, and reboot your computer if prompted.

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You don"t need lớn select the child items for Windows Communication Foundation (WCF) HTTP Activation and Windows Communication Foundation (WCF) Non-HTTP Activation unless you"re a developer or vps administrator who requires this functionality.

Troubleshoot the installation of the .NET Framework 3.5

During installation, you may encounter error 0x800f0906, 0x800f0907, 0x800f081f, or 0x800F0922, in which case refer to lớn .NET Framework 3.5 installation error: 0x800f0906, 0x800f0907, or 0x800f081f khổng lồ see how lớn resolve these issues.

If you still can"t resolve your installation issue or you don"t have an mạng internet connection, you can try installing it using your Windows installation media. For more information, see Deploy .NET Framework 3.5 by using Deployment Image Servicing & Management (DISM). If you"re using Windows 7, Windows 8.1, the latest release Windows 10, or Windows 11, but you don"t have the installation media, create an up-to-date installation truyền thông here: Create installation media for Windows. Additional information about Windows 11 & Windows 10 Features on Demand: Features on Demand.

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Warning

If you"re not relying on Windows Update as the source for installing .NET Framework 3.5, you must ensure to lớn strictly use sources from the same corresponding Windows operating system version. Using sources from a different Windows operating system version will either install a mismatched version of .NET Framework 3.5 or cause the installation khổng lồ fail, leaving the system in an unsupported and unserviceable state.