Microsoft today released Windows 10 Mobile build 1586.164 to Windows Insiders in slow ring of Mobile. Now  the company has released Windows 10 PC build 10586.164 to users of PC running stable Build 10586.122. This build is having update number as KB3140768 which takes the OS build to 10586.164 from 10586.122 . This is rather just a regular cumulative update for PC users.
Changelog in build 10586.164 :
Improved support for Bluetooth, wearables, and apps accessing contacts.
Improved reliability in app installation and Narrator.
Improved performance for hibernation, content entry in apps, and downloading and installing updates.
Fixed issue that didn’t allow login to an Xbox from a PC running Windows 10.
Fixed security issue created when attempting to play corrupted content.
Fixed security issue that could allow remote code execution while viewing a PDF in Microsoft Edge.
Fixed additional issues with .NET Framework, Internet Explorer 11, and networking.
Fixed additional security issues with Microsoft Edge, Internet Explorer 11, USB storage driver, kernel mode drivers, .NET Framework, graphic fonts, OLE, secondary logon, PDF library, and Adobe Flash Player.
The update is released to all the PCs running all the versions of Windows 10. In order to get the update just head over to Settings>Update & security > Windows update > Â Now click on ‘Check for update’ button. The update will soon start downloading to your Windows 10 PC.
