If you are currently online and want the simplest method, follow these steps: Press , type optionalfeatures.exe , and hit Enter.
: The progress bar will reach 100%. Once finished, you may be prompted to restart your PC. Alternative: Using "Windows Features" (Internet Required)
Installing .NET Framework 3.5 on modern systems like Windows 10 and Windows 11 is a common requirement for running older software and legacy applications. While Windows usually prompts for an internet-based download, you can use an or local installation media to complete the process without an active connection. Direct Download Links (Official) If you are currently online and want the
Check the box for .
If you have a Windows 10 or 11 ISO or USB installation drive, you can install the framework using the (Deployment Image Servicing and Management) tool. This method is the most reliable for offline environments. If you have a Windows 10 or 11
: Type or paste the following command, replacing D: with your actual drive letter:
– A smaller file ( 2.7 MB ) that pulls necessary components from the web during setup. How to Install .NET 3.5 Offline via Command Prompt follow these steps: Press
The safest way to get the standalone installer is directly from Microsoft.
: Insert your USB or right-click your Windows ISO and select Mount . Note the drive letter (e.g., D: ).