To install completely offline, you need the Windows 10 installation media (ISO, DVD, or USB) that matches your current OS version.
DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:D:\sources\sxs /LimitAccess : Prevents the tool from trying to contact Windows Update. net framework 3.5 offline installer for windows 10
Typically, Windows 10 attempts to download necessary files for .NET 3.5 via Windows Update when a user enables the feature through the "Turn Windows features on or off" menu. However, this method requires an active internet connection. The is a standalone package or method that allows users to bypass the web requirement. It is particularly valuable for: To install completely offline, you need the Windows
However, Microsoft also provides a ( dotnetfx35.exe ) which, when run with command-line parameters, can point to a local source (e.g., D:\sources\sxs ). However, this method requires an active internet connection
: Mount your Windows 10 ISO or insert your installation USB drive. Note the drive letter (e.g., Open Command Prompt : Right-click the Start button and select Command Prompt (Admin) Windows PowerShell (Admin) Run Command : Execute the following command, replacing with your actual drive letter: