Just ahead of Microsoft's big event next week, a new build of Windows 10 has leaked onto the internet. This build, 10558, features improvements to the Edge browser, along with a new Messaging app. This build also includes a new Skype Video app.

Other notable inclusions in this build include: Find my device settings using GPS/location info

Edge browser tab preview

New Registry Editor icon

Spotlight feature for Enterprise Users

Install apps to external storage

Dark UI in Messaging app

Safe to remove (USB drives) icon in system tray

More updated icons for Control Panel