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
Restart the via services.msc and rerun the DISM command from Method 1.
The core solution to offline installation is the (an ISO file or USB drive). This media contains the necessary .cab (cabinet) files for .NET Framework 3.5. By leveraging this source, you can instruct Windows to install the feature without ever touching the internet.
You will need a Windows 10 ISO file. You can download this for free from Microsoft using the Media Creation Tool on another computer that does have internet access. Ensure you download the version that matches your current Windows 10 installation.
DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:E:\sources\sxs
The standard Windows Features control panel fails with .