Thousands of "Windows XP" UI kits are available on GitHub. You can download the assets (the blue taskbar, the icons, the font) and build a website that looks exactly like XP. This is what many portfolio sites do to stand out.

You can use a tool called or v86 to create a bootable Windows XP image that runs entirely in the visitor's browser. Yes, you can host a fully functional Windows XP emulator on Netlify or GitHub Pages.

This section outlines a concise plan to implement a lightweight, legal XP-style simulator (no proprietary assets).