Announcing Windows 10 Insider Preview Build 17666

"Hello Windows Insiders!

Today, we are releasing Windows 10 Insider Preview Build 17666 (RS5) to Windows Insiders in the Fast ring in addition to those who opted in to Skip Ahead."

 

More info: https://blogs.windows.com/windowsexperience/2018/05/09/announcing-windows-10-insider-preview-build-17666