Windows 10 Insider Preview build 18312.1001 (rs_prerelease) – build version under the code name 19H1, which is available to members of the Windows Insider program with the priority of receiving updates Early Access.
This assembly belongs to the RS_PRERELEASE development branch of the next major Windows 10 update, which is expected in spring (March-April) of 2019.
New in Windows 10 build 18312 (19H1)
Using the function “Reserved Space”, part of the disk storage will be allocated for use by updates, applications, temporary files and the system cache.
Installation via Windows Update
Go to Settings > Update and Security and click Check for Updates. To complete the installation, you will need to restart the computer.
Download Windows 10 build 18312 (19H1)
If you want to perform a clean installation of Windows 10 Insider Preview build 18312, then using the WZT-UUP service, you can download UUP files directly from the official Microsoft servers and automatically create a bootable ISO image.
Creating a bootable ISO image
If you want to perform a clean installation of Windows 10 Insider Preview build 18317, then using the WZT-UUP service, you can download UUP files directly from the official Microsoft servers and automatically create a bootable ISO image using the following instructions:
Download the generated archive, unpack and run the file creatingISO.cmd.
Since this is a command line script, the Windows Defender SmartScreen filter will show a warning before starting – “Windows has protected your computer.” Click “Read More” and execute “Run anyway“. For security, you can always analyze the contents of the script manually before launching it.
Wait for the automatic downloading of UUP packages from official Microsoft servers and the creation of a bootable ISO image.
Use the generated ISO to install the latest version of Windows 10 Insider Preview.
You can download ISO file below:Download ISO file Windows 10