Net Framework Offline Installer 3.5 [better]

| Windows Version | Does EXE work? | Recommended Method | Error Risk | | :--- | :--- | :--- | :--- | | | Yes (Perfect) | Run EXE normally | Low | | Windows 8/8.1 | Partial (Requires WU) | DISM + ISO | Medium | | Windows 10 (1507-1809) | Partial (Often fails) | DISM + ISO | High | | Windows 10 (1903+) | No (Redirects to WU) | DISM + ISO | Very High | | Windows 11 | No (Blocks installation) | DISM + ISO | Extreme |

While enabling .NET 3.5 enables legacy software, it introduces maintenance considerations. .NET 3.5 relies on .NET 2.0 and 3.0 subsystems. Security updates for .NET 3.5 are delivered via Windows Update.

The installer does not show granular progress. It hangs at "Decompression" for 60% of the time before suddenly finishing. This is nerve-wracking for new users but normal.

Open the Command Prompt with Administrator privileges.

To install truly offline, you must: