Microsoft has just released a new Windows 10 build for Fast ring subscribers, bringing many new features that are supposed to be part of the final version. Creators Update which will be released in the spring.
The new build is currently available exclusively for computers and not for mobile devices. Windows 10 build 14986 is one of the biggest releases to date and incorporates many new features in Cortana.
First of all, in the new build the personal assistant supports voice commands to turn off the computer volume. You can ask Cortana to reboot, and lock your system.
Voice commands support playback musicς, και επιπλέον η ψηφιακή βοηθός Cortana υποστηρίζει φωνητικές εντολές για το iHeartRadio και TuneIn Radio. Η προσωπική βοηθός λειτουργεί και από την screen lock as stated by Microsoft.
So, starting with this version, you can ask Cortana to play a particular artist, track, title or genre in a specific app.
The question "What is playing" the personal assistant will answer you with the name of the song.
Those of you who want to try the new version follow the instructions below:
Create ISO:
Download the ESD of the new Windows 10 (updated link to Windows in English).
https://cloud.mail.ru/public/JSgG/3wVxMsovn
Then download ESD Decrypter from the following link:
Export the ESD Decrypter to any folder and place the ESD file in the same folder.
Now right-click the decrypt.cmd file and run it as an administrator. 
When you open it blue window, type 1 and press enter to start creating the ISO.
Sit back and wait until it's over procedure.
