Microsoft have made available the first Windows 11 ISO for download. The ISO is build 22000.132 and is available as the Dev channel version and the Beta channel version. Build 22000.132 was released to Windows Insiders last week, and the ISOs are available so Windows Insiders can try a clean install of Microsoft’s latest OS.
You can get the ISO files from the Windows Insider download page.
Here is my hands on video of build 22000.132: