How to Install .NET Framework 3.5 (2.0/3.0) on Windows Server
Option 1: Install via Server Manager (GUI Method)
- Download the ISO for your Windows Server version (links below).
- Mount the ISO in the operating system.
- Open Server Manager → Add Roles and Features.
- Select Role-based or feature-based installation.
- Choose the local server as the destination.
- Skip the Server Roles page by clicking Next.
- In Features, enable .NET Framework 3.5 Features.
- Click Next.
- In Confirm installation selections, click Specify an alternate source path.
- Set source path to point to iso file e.g.
D:\sources\sxs - Click OK, then Install to start the .Net Framework 3.5 Features installation.
- After installation, run Windows Update to install available .NET updates.
- Unmount/eject the ISO if no longer needed.
Option 2: Install via PowerShell
Install-WindowsFeature NET-Framework-Core -Source D:\sources\sxs