Microsoft has released the Windows 10 PC preview build 14366 for members of the company's Insider program that are on the Slow update ring.

Windows 10

The announcement was made by Windows Insider head Dona Sarkar on her Twitter account. This preview build was previously released earlier this week for Insiders on the Fast ring. It includes support for Office Online in Microsoft Edge, some Windows Store improvements and a long list of other smaller improvements as well as bug fixes.