OpenAI Codex Arrives on Windows Secure Sandbox and PowerShell Support Included.
One month after its debut on macOS, OpenAI has officially released the Codex desktop application for Windows. The delayed rollout was attributed to the complex security architecture of the Windows operating system. OpenAI stated that they worked closely with Microsoft to ensure the app could operate efficiently while strictly preventing unauthorized access to critical system files.
Powerfully Integrated and Secure
The Windows version of Codex is now available for download via the Microsoft Store. Designed for power users and developers, the app features:
Sandbox Environments: Support for AI Agents to execute tasks within a secure, isolated sandbox.
PowerShell Integration: Full compatibility with PowerShell, allowing for seamless command-line automation and advanced scripting.
Celebrating the Launch: Free Trials and Double Quotas
To celebrate this milestone, OpenAI has announced a limited-time promotion ending April 2, 2026:
Free and "Go" Plan Users: Can trial the Codex app for free until the promotion ends.
Premium Subscribers: Existing paid users will receive a double usage quota during this celebratory period.
OpenAI's close collaboration with Microsoft means that the Codex won't just be a modular application, but will utilize deep Windows features like the Windows Copilot Runtime, enabling AI to better understand the context of complex local tasks without compromising security.
The "Agent in Sandbox" feature is a key turning point, allowing developers to instruct AI to write code and "run for testing" immediately in a confined space (sandbox). If the code is buggy or malicious, it won't affect the actual local files—a feature developers have long desired.
Deploying native Windows applications reduces latency and supports customizable keyboard shortcuts, making AI collaboration significantly smoother than web-based applications.
Releasing applications through the Microsoft Store signals OpenAI's serious intention to target the enterprise market, as Store applications undergo rigorous security checks, making them easier for IT departments to approve for employee use within the company.
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Source: Neowin

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