Visit the official Microsoft Download Center. Search for the ".NET Framework 3.5 Service Pack 1 (Full Package)." Download the standalone offline executable ( dotnetfx35.exe ). Step 2: Run the Installer

Save the dotnetfx35.exe installer file to your storage drive. Step 2: Install via Command Prompt

Download a trusted .NET Framework 3.5 Offline Installer utility from reputable tech repositories. Locate your Windows 10 media source folder ( sources\sxs ).

Download 'link' Net Framework 3.5 Windows 10 64 Bit Offline Installer Link

Visit the official Microsoft Download Center. Search for the ".NET Framework 3.5 Service Pack 1 (Full Package)." Download the standalone offline executable ( dotnetfx35.exe ). Step 2: Run the Installer

Save the dotnetfx35.exe installer file to your storage drive. Step 2: Install via Command Prompt Visit the official Microsoft Download Center

Download a trusted .NET Framework 3.5 Offline Installer utility from reputable tech repositories. Locate your Windows 10 media source folder ( sources\sxs ). Visit the official Microsoft Download Center