Windows 10 18343 (19H1): Official ISO Images available for download

A new test build of Windows 10 Insider Preview build 18343, version 1903 (19H1) is available for members of the Windows Insider program with Late Access update priority.

Updated 03/05/2019: Microsoft posted official ISO images for Windows 10 Insider Preview build 18343 on the Slow Ring channel. Note: assemblies 18342.8 and 18343 have the same content and differ only in number.

Windows 10 Insider Preview build 18343.1 (19h1_release) is a new build of Windows 10 (version 1903), which is available to members of the Windows Insider program with the priority of receiving updates Early Access.

This assembly belongs to the development branch 19H1_RELEASE of the next major update Windows 10 19H1, which is expected in spring (March-April) of 2019.

New in Windows 10 build 18343 (version 1903)

As usual, the pre-build at this stage of testing does not receive new features, but includes a list of known bugs and fixes.

Windows Sandbox received support for configuration files

In Build 18342, developers announced that the Windows Sandbox now supports configuration files. These files allow users to customize some aspects of the sandbox, such as network support, shared folders, graphics processor virtualization parameters (vGPU). Read more in our review.

Major changes, improvements and bug fixes

Fixed a problem with connecting in sleep mode for Intel64 Family 6 Model 142 and Intel64 Family 6 Model 158 processors. Owners of these processors who could not install Build 18342 a few days earlier can install this assembly.
The function “Return computer to its original state” and the option “Save my files”, on a device with Backup enabled, no longer require manual reboot and correctly displays the operating status of Backup.

Known Issues

Running games that use anti-cheat programs can lead to a “green screen of death” (GSOD).
Solves the problem of working sound cards Creative X-Fi in collaboration with the company Creative.
Work continues on the elimination of errors in the work of a dark theme.
Some Realtek SD card readers may not work correctly.
In the Windows sandbox, if you try to go to the Announcer’s settings, the Parameters application crashes with an error.
The color of the mouse pointer may be mistakenly switched to white, after logging out and re-entering the system.
Chinese version of some games do not work.
Developers! If you install any of the latest “Early Access” builds and then switch to “Late Access”, additional content, such as turning on developer mode, will not work. To add / install / enable optional content, you need to stay on the Early Access channel.

A full list of improvements, changes and known bugs is available in the official announcement on the Microsoft website.

Download Windows 10 ISO build 18343 (version 1903)

Official ISO images are available for download.

Microsoft has posted the official ISO images of Windows 10 Insider Preview build 18343 in the Enterprise, Home, Pro, Education, and Home Single editions, which can be used to cleanly install the system or test new features on a virtual machine.

Download Windows 10 build 18343


Download Windows 10 ISO build 18343 (version 1903)

Alternative download

If you want to perform a clean installation of Windows 10 Insider Preview build 18343 (version 1903), then using the WZT-UUP service, you can download UUP files directly from official Microsoft servers and automatically create a bootable ISO image using the following instructions:

How to download Windows 10 ISO and create a boot image.

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