dism /online /enable-feature /featurename:NetFx3 /all
| Feature | Online Installer | Offline Installer | | :--- | :--- | :--- | | | ~3 MB (bootstrapper) | ~200 MB (CAB file) | | Requires internet | Yes, constantly | No | | Fails behind proxy | Yes | No | | Works on fresh Windows | No (needs drivers) | Yes | | Control over source | Windows Update | Local media (USB/DVD) | Net Framework 3.5 Offline Installer Windows 10 64 Bit
Normally, Windows 10 downloads the required .NET files directly from Windows Update. However, an offline installer method is necessary when: You are setting up a PC . Net Framework 3.5 Offline Installer Windows 10 64 Bit
Ensure you are pointing to the sources\sxs folder specifically, not just the root of the drive. Net Framework 3.5 Offline Installer Windows 10 64 Bit