|top| Download Net Framework 3.5 Windows 10 64 Bit Offline Installer

Microsoft does provide a separate, official dotnetfx35.exe installer specifically labeled “for Windows 10 64-bit.” Instead:

Click on the Start button, type cmd , right-click on "Command Prompt" in the search results, and select "Run as administrator." You'll need to confirm this action.

To create a reliable offline installer, you need the (same edition and version as your target system). Proceed as follows:

: Open "This PC" and check the drive letter assigned to the mounted ISO or USB (e.g., Step 2: Use the DISM Command Search for in the Start menu, right-click Command Prompt , and select Run as administrator Type or paste the following command, replacing with your actual drive letter from Step 1: Microsoft does provide a separate, official dotnetfx35

Security: Even though it is an older version, Microsoft continues to provide security patches for it through Windows 10 updates.

Click the Windows Start menu, type , right-click Command Prompt , and select Run as administrator .

Re-verify your drive letter. Ensure the path points exactly to the sources\sxs directory. Ensure your ISO build version matches your OS build version precisely. Error Code 0x800F0922 Click the Windows Start menu, type , right-click

Dism /online /enable-feature /featurename:NetFX3 /All /Source:X:\sources\sxs /LimitAccess Use code with caution.

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While Microsoft provides a simple online installer for the .NET Framework, it's not always reliable. For IT professionals managing computers in controlled environments or for any user who has experienced a failed installation, the offline methods described here are the most dependable ways to get .NET Framework 3.5 installed on Windows 10. Ensure your ISO build version matches your OS

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While not officially supported by Microsoft, community-developed tools can automate the DISM process for you:

folder found on your Windows 10 installation media to enable the feature without an internet connection. learn.microsoft.com Prepare Media