This post will show you how lớn install .NET Framework 3.5 in Windows 11 offline from an installation truyền thông with DISM. By default, Windows 11 only includes .NET Framework 4.8. However, there are still a huge number of useful apps built against the .NET framework v3.5.

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Such apps were created for Windows 7 và even for Windows Vista, where version 3.5 was available out of the box. Once you try to lớn run such an app, you will see a prompt lớn install the missing component from the Internet.

This method has a number of disadvantages. First of all, it is your mạng internet traffic, & it can be limited. Secondly, the download process is not reliable và can fail. If your mạng internet connection is unstable, it turns into hell. Finally, you can simply work offline.

That"s why it is important khổng lồ know how to lớn offline install .NET Framework 3.5 in Windows 11. You will only need an installation truyền thông of Windows 11, such as ISO file, bootable flash drive, or its DVD disk, so no mạng internet connection will be required.

To offline install .NET Framework 3.5 in Windows 11, do the following.


Contents hide
Install .NET Framework 3.5 in Windows 11 Offline
Using a batch file
Batch tệp tin contents
Install .NET Framework 3.5 with Optional Features

Install .NET Framework 3.5 in Windows 11 Offline

Double click the Windows 11 ISO image, or plug your bootable flash drive or insert DVD disk with Windows 11.Open tệp tin Explorer (press Win + E) và navigate to lớn the This PC folder. Lưu ý the drive letter of your installation truyền thông media have inserted. My drive is G:.
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Switch Windows Terminal lớn the Command Prompt profile; press Ctrl + Shift + 2 or the arrow menu button.
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 In the command prompt tab, type the following command: Dism /online /enable-feature /featurename:NetFX3 /All /Source:G:sourcessxs /LimitAccess. Replace G: with your Windows 11 setup media"s drive letter & hit Enter.
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You are good to lớn go! This will install .NET framework 3.5 in Windows 11 without using any internet connection.

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Now you can run any older apps coded in C#, VB.NET, & C++ that are built around older versions of the software platform. Note that .NET Framework 3.5 also includes .NET 2.0, which is also the runtime version.

Using a batch file

To save your time, I have created an easy-to-use simple batch tệp tin which automates the above method. It will automatically find your Windows 11 installation DVD disk or USB drive.

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To install .NET Framework 3.5 on Windows 11 with a batch file, vị the following.

Extract the CMD tệp tin it from the ZIP archive to the Desktop.Connect or insert your Windows 11 installation disk.Now, right-click the cmd file và select Run as administrator from the menu.
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The cmd file will auto-detect Windows 11 thiết lập disk & instantly địa chỉ .NET Framework 3.5 automatically.

You are done. The file is compatible with both install.wim and install.esd - based thiết lập media types of Windows 11, so you can use any! The official one comes with install.esd by default.

Batch tệp tin contents

The contents of the batch file are listed below.


echo offTitle .NET Framework 3.5 Offline Installerfor %%I in (D E F G H I J K L M N O p. Q R S T U V W X Y Z) do if exist "%%I:\sourcesoot.wim" set setupdrv=%%Iif defined setupdrv (echo Found drive %setupdrv%echo Installing .NET Framework 3.5...Dism /online /enable-feature /featurename:NetFX3 /All /Source:%setupdrv%:sourcessxs /LimitAccessecho.echo .NET Framework 3.5 should be installedecho.) else (echo No installation media found!echo Insert DVD or USB flash drive và run this tệp tin once again. Echo.)pauseTip: You can easily find what versions of the .NET framework software you have installed using the following guide. It will give you ideas what apps will work on your computer without installing additional system components.

Finally, if you don"t have the installation truyền thông media for Windows 11, và also have no troubles with the Internet, you can give the online .NET Framework installation a try. Since we have already mentioned it in the post, let"s review it for the sake of completeness.

Install .NET Framework 3.5 with Optional Features

Press Win + R to open the Run box & type optionalfeatures.In the Windows Features window, select the .NET Framework 3.5 (includes .NET 2.0 và 3.0) entry.
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Enable it by placing a kiểm tra box & click on the OK button.Wait for Windows 11 to tải về and install the components.

You are done. So, as you can see, it is an optional component of Windows, so you can manage it like any other optional feature. Microsoft also recommends using this method by default.

That"s it.


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