: The progress bar will reach 100%. Once finished, you may be prompted to restart your PC. Alternative: Using "Windows Features" (Internet Required)
Dism /online /enable-feature /featurename:NetFx3 /All /Source:D:\sources\sxs /LimitAccess Use code with caution.
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. : The progress bar will reach 100%
The safest way to get the standalone installer is directly from Microsoft.
– 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 If you have a Windows 10 or 11
: Insert your USB or right-click your Windows ISO and select Mount . Note the drive letter (e.g., D: ).
If you are currently online and want the simplest method, follow these steps: Press , type optionalfeatures.exe , and hit Enter. – A smaller file ( 2
Click and select Let Windows Update download the files for you . Important Notes for Windows 11 Users
– This is the complete 231 MB redistributable package that does not require an internet connection during installation.
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)