Once you have downloaded the file, follow these instructions based on your operating system.
The filename is dotnetfx35.exe . Do not confuse it with dotnetfx35setup.exe (the web installer). The offline version is larger than 200 MB; the web installer is under 5 MB.
A: Microsoft strongly recommends using “Windows Features” for security reasons. However, the DISM workaround has been intentionally left functional for IT professionals. Once you have downloaded the file, follow these
For standard standalone installations (typically for older OS versions or specific deployment scenarios), Microsoft provides a full redistributable package:
If you regain an internet connection and want the simplest method: Open , search for "Turn Windows features on or off" . The offline version is larger than 200 MB;
This article provides a definitive solution: the (which includes .NET 2.0 and 3.0). You will learn exactly where to download it, how to install it without an internet connection, and how to troubleshoot common errors.
If you need to deploy .NET 3.5 across 50+ machines without user interaction, use the following command line after extracting the files: and how to troubleshoot common errors.
October 2023 Applies to: Windows 11, Windows 10, Windows 8.1, Windows 7, Windows Server
