.NET Framework 3.5 (which includes 2.0 and 3.0) is required by some older applications and installers. Windows 10 includes .NET 3.5 as an optional Windows feature; you can install it online via Windows Update or offline using an installer or Windows installation media. This article explains safe offline installation methods for Windows 10 64-bit.
Downloading the .NET Framework 3.5 offline installer for Windows 10 64-bit is the smartest way to avoid update servers, broken internet connections, and corporate firewalls. While the online method often fails, using Microsoft’s official dotnetfx35.exe or extracting the sxs folder from a Windows 10 ISO guarantees success. Download
| Factor | Detail |
|--------|--------|
| Architecture | The sxs folder contains both 32-bit and 64-bit packages. The DISM command automatically detects the correct one for your 64-bit OS. |
| No Microsoft-provided single EXE | Any website offering a standalone dotnetfx35.exe claiming "for Windows 10 64-bit offline" is likely unofficial and potentially risky. Always use the official ISO source. |
| Verification | After installation, verify via Control Panel → Programs and Features → "Turn Windows features on or off" – .NET Framework 3.5 should be checked. | Open an elevated Command Prompt (Run as administrator)
DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /Source:D:\sources\sxs /LimitAccess
To install .NET Framework 3.5 on Windows 10 (64-bit) without an internet connection, you cannot simply use the standard standalone .exe installer, as it often still triggers a download from Windows Update. Instead, the supported offline method requires using the Windows 10 installation media (ISO or USB). Recommended Offline Installation Method To install
.NET Framework 3.5 (which includes 2.0 and 3.0) is required by some older applications and installers. Windows 10 includes .NET 3.5 as an optional Windows feature; you can install it online via Windows Update or offline using an installer or Windows installation media. This article explains safe offline installation methods for Windows 10 64-bit.
Downloading the .NET Framework 3.5 offline installer for Windows 10 64-bit is the smartest way to avoid update servers, broken internet connections, and corporate firewalls. While the online method often fails, using Microsoft’s official dotnetfx35.exe or extracting the sxs folder from a Windows 10 ISO guarantees success.
| Factor | Detail |
|--------|--------|
| Architecture | The sxs folder contains both 32-bit and 64-bit packages. The DISM command automatically detects the correct one for your 64-bit OS. |
| No Microsoft-provided single EXE | Any website offering a standalone dotnetfx35.exe claiming "for Windows 10 64-bit offline" is likely unofficial and potentially risky. Always use the official ISO source. |
| Verification | After installation, verify via Control Panel → Programs and Features → "Turn Windows features on or off" – .NET Framework 3.5 should be checked. |
DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /Source:D:\sources\sxs /LimitAccess
To install .NET Framework 3.5 on Windows 10 (64-bit) without an internet connection, you cannot simply use the standard standalone .exe installer, as it often still triggers a download from Windows Update. Instead, the supported offline method requires using the Windows 10 installation media (ISO or USB). Recommended Offline Installation Method