Any links claiming to be a "Windows 13 simulator" are or fan projects and are not official Microsoft products. If you are looking to develop or explore a feature similar to these simulators, here is the breakdown of what they actually are: What are "Windows 13 Simulators"?
Recommendation Use browser-hosted demos from CodePen or GitHub repos when possible; if you must download, run in a VM and scan files first. windows 13 simulator link
Released in 2015, originally marketed as "the last version of Windows." Windows 11: Any links claiming to be a "Windows 13
You can install a virtual machine software (like VMware or VirtualBox) on your current Windows or macOS system. This allows you to run different operating systems or versions in a virtual environment. if you must download
https://zedison.itch.io/windows13-simulator