Method 1: The DISM Command (Recommended for Offline Machines)
The path D:\sources\sxs is incorrect. Fix: Ensure you have mounted the ISO correctly. Browse to D:\sources\sxs in File Explorer. Does a file called microsoft-windows-netfx3-ondemand-package.cab exist? If not, your ISO is corrupted.
Open the Run dialogue ( Win + R ), type gpedit.msc , and hit .
DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:D:\sources\sxs : Enables all parent features of .NET 3.5. /LimitAccess : Prevents the tool from trying to contact Windows Update. : Points to the folder on your media where the installation files reside. Spiceworks Community 2. Official "Full" Offline Redistributable
⚠️ Avoid third-party “clean” or “repack” sites. Many inject malware. Only use download.microsoft.com or the official VLSC (Volume Licensing Service Center).
Standard installers download files during the setup process. This method fails without an active internet connection.
Here are the installation commands for .NET Framework 2.0 and 3.0:
This is the strongest selling point of the offline installer.
I can't directly provide a downloadable file or attach a paper/document, but I can give you the official and safe way to get the from Microsoft.
Remember three golden rules: