Best Windows Emulators to Use in Your Web Browser

Running a Windows environment directly in your browser can be incredibly useful for various purposes, such as testing, development, and even casual use. However, finding a reliable and functional online Windows emulator can be challenging. Here are six options that offer different levels of functionality and user experience.

1. OnWorks Windows 10 Online Theme

OnWorks provides a unique solution that allows you to experience a Windows-like environment within a browser. The Windows 10 online theme is not a full-fledged emulator but rather a GTK theme designed to give an Ubuntu installation a Windows 10 look and feel. This theme uses GNOME Shell extensions and themes to customize the desktop, making it a good option for those who want a Windows-style interface without the need for a full OS emulation.

2. AppOnFly Windows Emulator

AppOnFly offers a more traditional approach to online Windows emulation. It allows you to run Windows XP in a browser, albeit with some limitations. The emulator is free for 30 minutes on trial mode, and you can use it multiple times. While it is not as robust as running a full version of Windows, it can be useful for quick tests or demonstrations. However, it lacks many features, including the iconic Windows XP themes.

3. PCjs Machines

PCjs Machines is an online emulator that runs vintage PC applications, including early versions of Windows, in your browser using JavaScript. This emulator is ideal for those interested in retro computing or needing to run old software. It supports various classic machines, including IBM PC Compatibles, Minicomputers, and even Arcade Games. However, it does not support modern versions of Windows.

4. LambdaTest Windows Emulator

LambdaTest is primarily a cross-browser testing platform, but it also offers a Windows emulator for testing web applications across different Windows browsers and operating systems. This emulator is not meant for running a full Windows OS but is highly useful for developers who need to test their web applications on various Windows environments. It comes with native developer tools and supports multiple browser versions.

5. BrowserStack Windows Emulator

BrowserStack is another platform focused on cross-browser testing, offering access to a wide range of real devices and browsers, including Windows environments. While not a full OS emulator, it allows you to test web applications on different Windows versions and browsers, ensuring compatibility and performance. This is particularly useful for developers and QA teams.

6. VirtualXP

VirtualXP is an online emulator that runs Windows XP in a browser. It is relatively slow and lacks many features, including the default Windows XP themes. However, it can be useful for quick tests or demonstrations where a full Windows environment is not necessary. The emulator is free to use, but its performance and feature set are limited compared to other options.

Each of these emulators serves different purposes and offers unique benefits. Whether you need a full Windows environment, a Windows-like interface, or just a way to test web applications across various Windows versions, there is an online emulator that can meet your needs.