!free! Download .net Framework 3.5 -includes .net 2.0 And 3.0- Offline Installer

If you do have a temporary connection, this is the simplest method: Run (enable) .NET Framework 2.0, 3.0, 3.5 in Windows 10

The filename is dotnetfx35.exe . Do not confuse it with dotnetfx35setup.exe (the web installer). The offline version is larger than 200 MB; the web installer is under 5 MB. If you do have a temporary connection, this

When you install this package, you are installing three framework versions simultaneously. This is critical because older software (e.g., AutoCAD 2010, SQL Server 2008, older ERP systems) specifically checks for version 2.0 or 3.0, not just 3.5. When you install this package, you are installing

If you have no internet access, you can extract the required files from a Windows ISO or USB: Mount your Windows ISO (e.g., as drive Command Prompt as an Administrator. Run this command to pull the files directly from the media: Run this command to pull the files directly

The (also known as the full standalone package) contains all 231 MB of files. You can copy it to a USB drive, use it on air-gapped PCs, or deploy it across hundreds of machines via a network share.

This is the most reliable method for modern Windows users.