Open-Source Testing · microsoft

WinAppDriver

Windows Application Driver is a Microsoft-maintained test automation service for UI testing on Windows 10 applications, supporting UWP, WinForms, WPF, and Win32 apps. It provides Selenium-like automation via a local HTTP service and integrates with Appium for cross-platform test frameworks.

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Source: GitHub — github.com/microsoft/WinAppDriver

GitHub stars

1.4k

Forks

Primary language

MIT

License (OSI-approved)

Key facts

Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.

Field	Value
Repository	microsoft/WinAppDriver
Owner	microsoft
Primary language	C#
License	MIT — OSI-approved
Stars	4k
Forks	1.4k
Open issues	1.2k
Latest release	v1.2.1 (2020-11-05)
Last updated	2025-04-14
Source	https://github.com/microsoft/WinAppDriver

What WinAppDriver is

WinAppDriver exposes a WebDriver-compatible API (listening on 127.0.0.1:4723 by default) that enables programmatic UI automation of Windows desktop applications. It supports element inspection, click/type operations, and interaction with complex controls (DatePicker, Slider, SplitViewPane) and requires administrator privileges and Developer Mode enabled on Windows 10.

Quickstart

Get the WinAppDriver source

Clone the repository and explore it locally.

terminalbash

1git clone https://github.com/microsoft/WinAppDriver.git2cd WinAppDriver3# follow the project's README for install & configuration

Need it deployed, integrated, or customized instead? DEV.co ships production installs.

Best use cases

Enterprise Desktop Application Testing

Automate regression and functional testing of internal Windows Forms, WPF, or Win32 LOB applications where UI consistency is critical and manual testing is expensive.

UWP App Quality Assurance

Test Universal Windows Platform applications in CI/CD pipelines (e.g., Azure Pipelines) with repeatable, scriptable UI validation before release.

Appium-based Cross-Platform Test Suites

Integrate Windows desktop automation into Appium test frameworks to unify mobile, web, and desktop test automation under a single test architecture.

Implementation considerations

Latest release (v1.2.1) published November 2020; verify API support against your target Windows 10 build and application frameworks before committing.
WinAppDriver must run as administrator on the test machine and requires explicit Developer Mode activation in Windows settings.
Test scripts are typically authored in C# (per repository samples), but Appium clients (Python, JavaScript, Java) can also be used via the WebDriver interface.
Default listening address is localhost (127.0.0.1:4723); remote testing requires configuration and additional network/firewall setup.
1154 open issues indicate ongoing maintenance gaps; evaluate if critical issues align with your testing scenarios.

When to avoid it — and what to weigh

Non-Windows Platforms Required — WinAppDriver runs only on Windows 10 and is specific to Windows UI frameworks. If cross-OS automation is mandatory, choose web-based or platform-agnostic solutions.
Real-time Performance Monitoring — WinAppDriver is designed for functional UI testing, not performance profiling or system-level metrics. Use dedicated profiling tools for that purpose.
Lightweight, Minimal Setup Environment — WinAppDriver requires administrator access, Developer Mode enabled, a full Windows 10 installation, and dedicated test machines. It is not suitable for containerized or headless execution.
Legacy Windows 7 or Earlier Support — Official support is Windows 10 only. Older OS versions are not documented as supported and may lack API parity.

License & commercial use

MIT License. Permissive open-source license permitting commercial use, modification, and distribution with attribution. No patent grant or liability indemnification; use as-is.

MIT License explicitly permits commercial use without royalties or restrictions. However, WinAppDriver is provided 'as-is' with no warranty. For production deployments, validate end-to-end functionality in your environment and document any limitations for compliance purposes.

DEV.co evaluation signals

Editorial assessment — not user reviews. Directional, with an explicit confidence level.

Signal	Assessment
Maintenance	Moderate
Documentation	Adequate
License clarity	Clear
Deployment complexity	High
DEV.co fit	Good
Assessment confidence	High

Security considerations

WinAppDriver runs as an HTTP service requiring administrator privileges. Ensure the test machine is network-isolated or firewall-protected, especially if listening on non-localhost addresses. No official security audit or vulnerability disclosure process documented; review open issues and commit history for security patches. Authentication/TLS support is not mentioned in the README.

Alternatives to consider

Appium

Cross-platform test automation framework supporting iOS, Android, and web via standard WebDriver API. Does not natively support Windows desktop, but WinAppDriver can be used as a back-end.

Telerik TestStudio

Commercial UI testing platform with native Windows Forms, WPF, and Telerik control support. Offers GUI record-and-playback, better support, but higher cost and vendor lock-in.

TestComplete (SmartBear)

Comprehensive commercial desktop/web automation tool supporting Windows Forms, WPF, Win32, and web. Features AI-assisted object identification and extensive control libraries, but vendor dependency and licensing overhead.

Software development agency

Build on WinAppDriver with DEV.co software developers

WinAppDriver is ideal for enterprises testing Windows desktop applications within CI/CD pipelines. Verify Windows 10 support, review 1154 open issues for your use case, and prototype with sample test scripts before full deployment.

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WinAppDriver FAQ

Can WinAppDriver test web applications in a browser?

No. WinAppDriver is for Windows desktop UI automation (UWP, WinForms, WPF, Win32). For web testing, use Selenium WebDriver or Appium's web capabilities separately.

Is WinAppDriver suitable for CI/CD pipelines?

Yes, with limitations. It is documented for Azure Pipelines integration and requires dedicated Windows 10 agents. Remote execution is possible but adds configuration complexity. Non-containerized execution only.

What happens if I use WinAppDriver with Windows 11?

Unknown. Official documentation states Windows 10 support. Windows 11 compatibility has not been explicitly verified in the provided data; test before production use.

Can multiple test sessions run in parallel on one WinAppDriver instance?

Not clearly stated. The documentation references single-machine setup; concurrent session support and resource isolation are not documented. Requires testing and review.

Software developers & web developers for hire

Adopting WinAppDriver is usually one piece of a larger software development effort. As a software development agency, DEV.co provides software development services and web development expertise — pairing senior software developers and web developers with your team to design, build, and operate open-source testing software in production.

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