Windows 10 Insider Preview Build 21390 (x86/x64) ISO Incl. Activator



Insider Preview builds to get you the latest Windows 10 features before they’re ready for the general public. Insider Preview builds have the latest features and changes, but they also aren’t completely stable. Microsoft releases these in-progress builds to “Windows Insiders.” These “Insiders” can test these builds and report bugs they experience and provide other feedback.

Windows Insiders, releasing Windows 10 Insider Preview Build 21390 to Windows Insiders.


What’s Included in this Build?

  1. Windows 10 Pro
  2. Windows 10 Pro N
  3. Windows 10 Home
  4. Windows 10 Home N

Fixes in this Build :-

  • They fixed an issue causing the news and interests text on the taskbar to appear blurry on some resolutions and scaling factors.
  • They fixed an issue resulting in certain punctuation not being displayed correctly when the display language was Chinese.
  • They fixed a svchost.exe crash related to cdp.dll that some Insiders have been experiencing in recent builds.
  • They fixed an issue impacting Start reliability in recent flights.
  • They fixed an issue where when using dark mode, the text in the File Explorer search box would be black on a black background. Please note this only addresses this dark theme issue in File Explorer, They are continuing to investigate a second issue impacting dark theme when using Search in the taskbar.
  • They fixed an issue in recent flights where a folder might not retain keyboard focus after being renamed in File Explorer.
  • They fixed an issue resulting in Task Manager showing the incorrect icon for some processes.
  • They fixed a second issue causing some devices to fail when updating to this build with error code 0xc1900101. If you continue to receive this error code when attempting to update, please file a new feedback item.
  • [ADDED 5/27] They have re-enabled the functionality where if a folder under the Start menu’s all apps list only contains a single item, They will now display that item in place of the folder on the Start menu.

Known issues :-

  • The Windows Camera App currently does not respect the default brightness setting set via the new Camera Settings page.
  • They’re investigating an issue where Search results are unexpectedly no longer following dark theme as of recent flights.
  • [News and interests] We’re investigating an issue where the flyout may occasionally flash in the top left corner of your screen after clicking the button on your taskbar.

How To Install? 

  • Download the build (either x64 or x86).
  • Create a bootable drive or Install from ISO.
  • Select the Windows type you want to install.
  • Skip the activation for now.
  • Let the windows installation get finished.
  • After installing, run the activator as admin.
  • Use the activator to activate your windows.
  • Boom! Enjoy the activated Build.


Download :

x64 (4.0 GB) – DownloadMirror | External Mirror

x86 (2.9 GB) – Download | Mirror | External Mirror

Activator – Download | Mirror | External Mirror

Torrent Download (Please Seed):

Windows 10 Insider Preview Build 21390 (x86/x64) ISO Incl. Activator | Magnet

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