A new build of Windows 10 leaked onto the internet — Windows 10 build 10051. This unofficial build comes just a few days after build 10049 was made available to Windows Insider participants. For those curious, Windows 10 build 10051 adds new improvements to various apps, including the Mail and Calendar apps, along with improvements to Spartan and more.
Check out the video below and let us know in the comments section if you installed the leaked build and notice any new improvements or features. Do not ask for download links, we will not be posting them. Be careful searching for the build on the internet as the leak is not official and may prevent you from updating to a newer official build.