Press , type optionalfeatures , and press Enter .
If the tool returns registry values including Install = 1 , the framework is active and ready to support your software. Share public link
Microsoft does not provide a traditional, standalone single-file .exe installer for .NET 3.5 on Windows 10 anymore. Instead, the offline installation files are located right inside your Windows 10 installation media. Prerequisites
: Search for "cmd" in the Start menu, right-click it, and select Run as administrator Execute the DISM Command : Enter the following command, replacing with your specific drive letter: Press , type optionalfeatures , and press Enter
Microsoft provides the . Note that this package was originally built for older Windows versions, but it works perfectly on Windows 10 64-bit.
Stability: Includes the full runtime for versions 2.0 and 3.0 as well.
Even with a straightforward process, you might run into an error. Here are some of the most common and how to fix them. Instead, the offline installation files are located right
If you are on a metered connection, lack internet access, or need to install this on multiple machines, using a is the best solution.
How to Install .NET Framework 3.5 on Windows 10 Without an Internet Connection
, type optionalfeatures.exe , and press Enter . Stability: Includes the full runtime for versions 2
Security: Even though it is an older version, Microsoft continues to provide security patches for it through Windows 10 updates.
Select if prompted, or point it to your offline source folder. Troubleshooting Common .NET 3.5 Offline Installation Errors Error 0x800F0906 or 0x800F081F
Installing .NET Framework 3.5 on Windows 10 (64-bit) without an active internet connection typically requires using (such as an ISO file or USB drive) or the official Standalone Installer if you can download it beforehand from another machine . Method 1: Using Windows 10 Installation Media (Recommended)
Microsoft .NET Framework 3.5 is a legacy software framework required for many older applications (e.g., certain CAD software, ERP systems, and games). While Windows 10 includes the installation files, a standard online installation requires downloading components from Windows Update. An is essential for systems without internet access or those needing a repeatable, local deployment.