2 Ways to Install NET Framework 3.5 on Windows 10 Offline

2 Ways to Install NET Framework 3.5 on Windows 10 Offline

Geekers - NET framework is an important component of the Windows operating system which is used to run and support the development of various applications.


On Windows 10, the newer NET framework has been installed, namely version 4.5. Even so, there are some applications that still require NET framework 3.5.



So when you try to run an application that requires the .NET framework 3.5, you will definitely get a notification window that looks more or less like the image below. And when you try to click Download and install this feature, you get an error notification instead.

NET Framework 3.5 Error Notification NET Framework 3.5 Error Notification


NET Framework 3.5 Error Notification


NET Framework 3.5 includes the .NET 2.0 and 3.0 versions. When you are opening/ installing an application that requires one of the three versions of the NET framework, you can simply install/activate the 3.5 version only.



1. How to Install NET Framework 3.5 on Windows 10


To install or activate the NET framework 3.5 on Windows 10, an ISO file is required. So first you have to have a Windows 10 ISO file, whether it's on the installer DVD, flash drive or on your own laptop.


Suppose you don't have a Windows 10 installer DVD, you can use a bootable flash drive or the easiest way is to directly use the ISO file on your laptop/PC (as in this tutorial). Check out the steps on how to install the NET framework 3.5 below:


1. First enter the Windows 10 installer media, either in the form of an installer DVD or a bootable flashdisk. If you want to directly use the ISO file on your laptop/PC, skip this first step.


2. Mount the windows ISO file by right-clicking the file, then selecting Mount.


Select Mount windows 10 Select Mount windows 10


3. In this example, the location of my Windows 10 ISO file is on drive D. So when I mount the ISO file, the name of the drive will change as I have indicated with the arrow. The location of the ISO file that you have mounted earlier is not always on drive D, so it's just a matter of adjusting it.


Mounted Windows 10 ISO file Mounted Windows 10 ISO file


4. For the record, the file location to activate NET framework 3.5 is located in the sources > sxs folder. So make sure a file called microsoft-windows-netfx3-ondemand-package must exist in that folder.


how to install net framework 3.5 on windows how to install net framework 3.5 on windows


5. After that, open Command Prompt as admin by right-clicking Command Prompt then selecting Run as administrator.


net framework 3.5 win 10 net framework 3.5 win 10



6. Copy the command below by first replacing X with the drive location. For example, the location of the ISO file that I have mounted earlier is on drive D, then replace X with D. Then press Enter.

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


how to install net framework 3.5 how to install net framework 3.5


7. Wait for the process for about 3 minutes until the progress reaches 100%.


Wait for the process Wait for the process


8. Now if the progress has reached 100% and it says The operation completed successfully, it indicates that the NET framework 3.5 has been successfully installed/activated.


net framework 3.5 windows 10 offline net framework 3.5 windows 10 offline


2. How to make sure NET Framework 3.5 is installed / not


To ensure that the NET framework 3.5 is installed, you can listen to the steps below:


1. Go to Control Panel, then select Programs.


how to install net framework 3.5 how to install net framework 3.5


2. In the Programs window, select Turn Windows features on or off.


net framework 3.5 windows 10 offline net framework 3.5 windows 10 offline


3. In the Windows Features window, you can see a black checkbox marked .NET Framework 3.5 (includes .NET 2.0 and 3.0) which indicates the .Net Framework feature has been successfully activated.


how to install net framework 3.5 on windows 10 how to install net framework 3.5 on windows 10


That's how to install NET framework 3.5 Windows 10 offline. So you only need the Windows 10 ISO file to activate it, you don't need to download it from the internet. Good luck and if you find a problem, you can ask via the comment box below.



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