Based on the feedback from Windows Insiders, Microsoft is releasing Windows 10 Build 10572 to Windows Insiders. This new build includes new features, lots of fixes, improved battery and performance, etc. You need to upgrade from Windows Phone 8.1 to upgrade this build. If you don’t want to flash the ROM from WP8.1, you’ll be able to upgrade directly to Windows 10 Build 10575 from any current 10 builds in rings (10166,10536,10549) when they release it next week on Tuesday.
Here’s our hands-on video: