Download .NET Framework 3.0 Offline Installer for Windows Vista

Key Features

Windows Presentation Foundation (WPF)

Windows Communication Foundation (WCF)

Windows Workflow Foundation (WF)

Windows CardSpace

Improved graphics and multimedia support

Service-oriented architecture capabilities

About .NET Framework 3.0

Microsoft .NET Framework 3.0 added four major new technologies: Windows Presentation Foundation (WPF), Windows Communication Foundation (WCF), Windows Workflow Foundation (WF), and Windows CardSpace.

Pre-installed in: Windows Vista, Windows Server 2008

Official Website Developer: Microsoft Corporation

What is .NET Framework?

Microsoft .NET Framework is a software development platform that provides a consistent programming model for building applications that have visually stunning user experiences and seamless communication.

Common Language Runtime (CLR): Manages memory and executes .NET code

Base Class Library: Provides fundamental programming functionality

Language Support: Works with C#, VB.NET, F#, and other .NET languages

Application Models: Supports Windows Forms, WPF, ASP.NET, and more

Security: Built-in security features and code access security

.NET Framework 3.0 is required by many Windows applications to run properly. Without it, .NET applications will display error messages and fail to start.

Why Use Offline Installer?

The offline installer contains all necessary files to install .NET Framework without requiring an internet connection during installation.

No Internet Required: Install even when offline or with slow connections

Faster Installation: No need to download files during installation

Reusable: Install on multiple computers with the same file

Reliable: Less prone to installation failures due to network issues

Complete Package: Includes all components and dependencies

Perfect for: System administrators, users with limited internet, enterprise deployments, or when installing on multiple devices. The .NET Framework 3.0 offline installer ensures reliable installation every time.

System Requirements for Windows Vista

Windows XP SP2, Windows Server 2003 SP1, or Windows Vista

.NET Framework 2.0 SP1 must be installed first

Minimum 256 MB RAM (512 MB recommended)

500 MB of available disk space

Frequently Asked Questions

Microsoft .NET Framework 3.0 added four major new technologies: Windows Presentation Foundation (WPF), Windows Communication Foundation (WCF), Windows Workflow Foundation (WF), and Windows CardSpace. It's required by many Windows applications to run properly.

You need .NET Framework 3.0 if you want to run applications that were built using this version of the .NET Framework. Many software applications require specific versions of .NET Framework to function.

Yes, .NET Framework 3.0 is completely free to download and use. Microsoft provides it at no cost as it's essential for running .NET applications on Windows.

Yes, different versions of .NET Framework can coexist on the same computer. Some versions are in-place updates, while others install side-by-side.

The offline installer contains all necessary files and doesn't require an internet connection during installation. The web installer downloads files during installation and requires an active internet connection.

Other .NET Framework Versions

.NET Framework 4.7.1

Accessibility and performance improvements

October 17, 2017 v4.7.1

Pre-installed in: Windows 10 version 1709 (Fall Creators Update)

Download for Windows Vista

.NET Framework 4.7.2

Security and reliability enhancements

April 30, 2018 v4.7.2

Pre-installed in: Windows 10 version 1803 (April 2018 Update)

Download for Windows Vista

.NET Framework 4.8

The final version of .NET Framework

April 18, 2019 v4.8

Pre-installed in: Windows 10 version 1903 (May 2019 Update), Windows Server 2019

Download for Windows Vista

View All .NET Framework Versions

Also Available: Browser Installers

Download offline installers for popular web browsers

Google Chrome

The fast, secure browser from Google

v138.0.7204.51 128.29 MB

Mozilla Firefox

Fast, private & safe web browser

v140.0.2 69 MB

Microsoft Edge

Fast and secure browser built for modern web

v138.0.3351.65 176 MB

View All Browser Installers

.NET Framework 3.0

Key Features

About .NET Framework 3.0

What is .NET Framework?

Why Use Offline Installer?

System Requirements for Windows Vista