If you encounter errors during installation, try the following:
Do you have the or a bootable USB ready to use for the DISM method?
While Windows offers an online installation method via Windows Update, this approach often fails due to network restrictions, proxy servers, disconnected environments, or specific Windows Update errors like 0x800F0906, 0x800F0954, or 0x800F081F. An offline installer bypasses these network dependencies entirely, allowing for a successful deployment.
Wait for the progress bar to reach 100%. You will see a message stating, "The operation completed successfully." Method 3: Using a Third-Party Offline Installer Tool If you encounter errors during installation, try the
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If you do not have a Windows 10 ISO handy and the official executable fails, independent developers have created compact, automated scripts that bundle the specific 64-bit cabinet ( .cab ) files required for Windows 10.
Run DISM /Online /Cleanup-Image /RevertPendingActions in Command Prompt, restart, and try again. Wait for the progress bar to reach 100%
Q: What is the difference between .NET Framework 3.5 and .NET Framework 4.6.1? A: .NET Framework 3.5 and .NET Framework 4.6.1 are two separate versions of the .NET Framework, with different features, libraries, and APIs.
To install on Windows 10 (64-bit) without an internet connection, you must use the original Windows 10 installation media (ISO or USB) . Windows 10 does not provide a standard standalone executable installer for version 3.5 like it does for newer versions. Official Offline Installation Method (DISM)
: Open the Local Group Policy Editor ( gpedit.msc ). Navigate to Computer Configuration > Administrative Templates > System . Double-click Specify settings for optional component installation and component repair . Set it to Enabled and check the box for Contact Windows Update directly to download repair content instead of Windows Server Update Services (WSUS) . 3. Corrupt System Files If you share with third parties, their policies apply
This occurs when your system is configured to pull features from a local Windows Server Update Services (WSUS) server instead of Windows Update or local media. : Temporarily bypass WSUS via the registry: Press Win + R , type regedit , and press Enter .
To confirm that .NET Framework 3.5 has successfully installed on your Windows 10 64-bit operating system: Open or PowerShell as an administrator.
Download the full redistribution package from a computer with internet access and transfer it to your offline machine. dotnetfx35.exe : ~231.5 MB Installation : Run the executable as an Administrator and follow the prompts.