This tutorial will apply for all the computers, laptops, desktops, and tablets, Chromebook running Windows 10, Windows 8/8.1, Windows 7 operating systems. Works for all major computer manufactures (Dell, HP, Acer, Asus, Toshiba, Lenovo, Samsung, Micro-star international’s laptop )

1- #CMD Dism /online /Enable-Feature /FeatureName:"NetFx3"
#Microsoft_dotNET_Framework_3.5
[ Ссылка ]

#Microsoft_dotNET_Framework_Repair_Tool_is_available
[ Ссылка ]

#NET_Framewor_4.8
#NET_Framewor_4.7.2
#NET_Framewor_4.7.1
#NET_Framework_4.7
#NET_Framewor_4.6.2
#NET_Framework_4.6.1
#NET_Framewor_4.6
#Microsoft_NET_Framework_Repair_Tool
#Dyanamic_Navision
#net_Error
#Microsoft_dotnet_framwork
#Repair_Tool
#fixer_dotnet


How to Install .NET Framework 3.5 in Windows 10

1- CMD. Dism /online /Enable-Feature /FeatureName:"NetFx3"
2- Poweshell. Enable-WindowsOptionalFeature -Online -FeatureName "NetFx3"
3- Offline Dism /online /enable-feature /featurename:NetFX3 /Source:D:\sources\sxs /LimitAccess



The .NET Framework is a managed execution environment for Windows that provides a variety of services to its running apps. It consists of two major components: the common language runtime (CLR), which is the execution engine that handles running apps, and the .NET Framework Class Library, which provides a library of tested, reusable code that developers can call from their own apps.

The Windows 10 May 2020 (version 2004) Update comes with .NET Framework 4.8 preinstalled.

However, some older apps may require .NET framework 3.5 to be installed to run.

This tutorial will show you different ways to install .NET Framework 3.5 online and offline in Windows 10.

You must be signed in as an administrator to install .NET Framework 3.5.

If you need to repair .NET Framework 3.5, you can uninstall it and then reinstall it using an option below to do so.


Install .NET Framework 3.5 in Command Prompt

This option requires an Internet connection to install .NET Framework 3.5.

1 Open an elevated command prompt.

2 Copy and paste the command below into the elevated command prompt, and press Enter. (see screenshot below)

Dism /online /Enable-Feature /FeatureName:"NetFx3"

3 When it has finished installing, you can close the elevated command prompt if wanted.


Install .NET Framework 3.5 in PowerShell

This option requires an Internet connection to install .NET Framework 3.5.

1 Open an elevated PowerShell.

2 Copy and paste the command below into the elevated PowerShell, and press Enter. (see screenshots below)

Enable-WindowsOptionalFeature -Online -FeatureName "NetFx3"

3 When it has finished installing, you can close the elevated PowerShell if wanted.


Install .NET Framework 3.5 Offline

This option does not use an Internet connection to install .NET Framework 3.5. This can be handy if you are unable to install .NET Framework 3.5 using any of the other options above.

1 Perform one of the following actions depending on what you want to use:

If you don't use media that is the exact same Windows 10 build as what is currently installed, you will get a source files not found error, and .NET Framework 3.5 will fail to install.

A) Connect a Windows 10 installation USB that is the exact same build as what is currently installed.

OR

B) Mount a Windows 10 ISO that is the exact same build as what is currently installed.


2 Open This PC in File Explorer (Win+E), and make note of the drive letter (ex: "G") of this USB or mounted ISO. (see screenshot below)

Dism /online /enable-feature /featurename:NetFX3 /Source:X:\sources\sxs /LimitAccess

Substitute (drive letter) in the command above with the actual drive letter (ex: "G") from step 2 above for the USB or mounted ISO source.

For example: Dism /online /enable-feature /featurename:NetFX3 /Source:D:\sources\sxs /LimitAccess

5 When it has finished installing, you can close the elevated command prompt if wanted.

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