State should be Enabled .
/online : Targets your currently running Windows 10 operating system.
In the "Windows Features" window, check the box next to . Click OK .
Enable-WindowsOptionalFeature -Online -FeatureName "NetFx3" -All -LimitAccess -Source "C:\dotnet35" Net Framework 3.5 Offline Installer Windows 10 64 Bit
Once the message "The operation completed successfully" appears, the installation is finished. Microsoft Learn 3. Verify the Installation Control Panel Turn Windows features on or off Ensure the box for .NET Framework 3.5 (includes .NET 2.0 and 3.0) is checked. Johnson Controls Official Download Links
The .NET Framework 3.5 offers several key features that make it a vital component for Windows-based applications:
Even with an offline installer, errors can occur. Here is how to resolve them. State should be Enabled
If you want, I can produce a shorter version for a forum post or format this for a specific platform (Reddit, Stack Overflow, blog).
The Microsoft .NET Framework 3.5 is a legacy software development platform that remains critical for the operation of thousands of enterprise applications, legacy software, and system utilities. Despite Windows 10 and Windows 11 shipping with newer runtimes (4.x), the lack of backward compatibility in the Common Language Runtime (CLR) necessitates the installation of version 3.5. However, the default installation mechanism relies on Windows Update, which often fails in corporate environments with restricted internet access or during outages. This paper explores the architecture of the .NET Framework, the necessity of the 3.5 subset, and provides a comprehensive technical guide to deploying the framework offline via Command Line Interface (CLI) using the Windows Deployment Image Servicing and Management (DISM) tool.
For the rest of this guide, we will assume the drive letter is . Replace it with your actual drive letter. 2. Run Command Prompt as Administrator Click on the Windows Right-click on Command Prompt from the search results and select Run as administrator if prompted by User Account Control (UAC). 3. Execute the DISM Command Click OK
Then he opened a fresh can of Coke and whispered to the sleeping Dell: “You’re welcome, Mr. Ellsworth.”
To confirm that .NET Framework 3.5 is successfully running on your 64-bit system: Open as an administrator. Run the following command to check registry configurations:
dism.exe /online /enable-feature /featurename:NetFX3 /All /Source:D:\sources\sxs /LimitAccess Use code with caution. Copied to clipboard 4. Wait for Installation to Complete to run the command. You will see a progress bar in the command prompt. Wait until it reaches 100% and displays the message: "The operation completed successfully."
The Windows version must match your currently installed OS build. Step-by-Step Instructions