This offline installer (about 231 MB) is suitable for computers without active internet connections during installation. How to Enable .NET Framework 3.5 in Windows Features
You can download .NET Framework 3.5 from the official Microsoft website:
Depending on your installation needs, you can use the official Microsoft Download Center for standalone packages or the .NET web portal: Standalone Offline Installer (SP1 Full Package): net framework 35 includes net 20 and 30 download link
Installing is the official way to support legacy applications that require versions 2.0 or 3.0 . Microsoft designed the 3.5 release as a "cumulative" update, meaning it includes all the core components of its predecessors. 🧩 Does .NET 3.5 include 2.0 and 3.0?
DISM will connect to Microsoft's servers, download the payload, and enable the feature. This offline installer (about 231 MB) is suitable
Do not download separate installers. Turn the feature on via optionalfeatures or use the DISM utility command line tool.
Insert your Windows installation USB or mount the Windows ISO file. Note the drive letter (for example, Drive D: ). Open as an Administrator. 🧩 Does
Click and select Let Windows Update download the files for you . Method 2: Command Line (Offline/Media)
Look for at the top of the list. Check the box next to it. Click OK .