OpenCV for Windows: Download & Install (Windows 11/10)

Get the official OpenCV 4.12.0 installer for Windows and start computer vision in minutes. Optimized content for Google/Bing and AI answers, mobile-friendly, and accessible.

Download OpenCV 4.12.0 for Windows Python Setup C++ Guide
  • Compatibility: Windows 11/10, 64-bit
  • Includes: Core modules, prebuilt binaries
  • License: Open-source (BSD)

TL;DR — Quick Install

  1. Click “Download OpenCV 4.12.0 for Windows”.
  2. Run the installer and follow the wizard.
  3. Finish setup and restart your terminal/IDE.
  4. Verify by launching your IDE and checking OpenCV paths.

Need Python, C++, or GPU acceleration? Explore the guides below.

Windows Installer

Fastest way on Windows. No build required. Ideal for getting started quickly.

Download now All releases

Python (pip/conda)

For Python users: virtual environments, pip vs conda, and contrib/headless packages.

C++ & Visual Studio

Set up Visual Studio, CMake presets, and library paths. Fix common DLL/runtime errors.

OpenCV with CUDA on Windows

GPU acceleration, compatible drivers/toolkits, and how to verify performance.

Explore CUDA / GPU guide

pip vs conda vs source vs vcpkg

Choose the right install route for your project. Pros/cons and maintenance tips.

Compare install methods

Windows Quickstart

Open camera, read images, and work with videos on Windows in minutes.

Start now

Frequently Asked Questions

Is OpenCV for Windows free?
Yes, OpenCV is open-source (BSD license) and free to use on Windows.
Does the installer work on Windows 11 and Windows 10?
Yes, it supports Windows 11 and Windows 10 (64-bit). Restart your terminal/IDE after installation.
Where is the official download?
The official binary is hosted on GitHub Releases: opencv-4.12.0-windows.exe.
Need Python or C++ setup guides?
See Python guide and C++ Visual Studio guide. For GPU, visit CUDA/GPU.
Facing DLL or PATH errors?
Check the Troubleshooting page for quick fixes.

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