Windows 10 build 18855

Windows 10 build 18855 (20H1) releases with improvements

A new preview for the Windows 10 version 2003 coming next year releases with a few new improvements.

Microsoft is now rolling out Windows 10 build 18855 for devices enrolled in the Skip Ahead ring. This is the fifth preview available for testers as part of the 20H1 development arriving next year, and it’s a small update that only delivers a few improvements.

Windows 10 build 18855, according to the company, introduces the ability to restore unsaved content after installing an update using Notepad. In addition, this flight ships with the same improvements for Windows Sandbox already available with build 18353 (19H1), including support for microphone and audio input, Shift + Alt + PrintScreen keyboard shortcut to activate the ease of access dialog for enabling high contrast mode, and Ctrl + Alt + Break keyboard shortcut to enter and exit full screen mode.

Alongside the new improvements, Microsoft is also announcing several known issues for Windows 10 build 18855 at the Windows Blog.

Download Windows 10 build 18855

Although there are no ISO files for Windows 10 build 18855, the update is available immediately through the Fast ring. This preview build will download and install automatically on your device, but you can always force the update from Settings > Update & security > Windows Update, and clicking the Check for updates button.

Warning: This is a pre-release version of Windows 10, and it’s not recommended to install on your primary machine. If you’re planning to test this build, make sure to create a backup of your files before proceeding.

You can also check out these resources:

About the author

Mauro Huculak is a Windows How-To Expert who started Pureinfotech in 2010 as an independent online publication. He has also been a Windows Central contributor for nearly a decade. Mauro has over 14 years of experience writing comprehensive guides and creating professional videos about Windows and software, including Android and Linux. Before becoming a technology writer, he was an IT administrator for seven years. In total, Mauro has over 20 years of combined experience in technology. Throughout his career, he achieved different professional certifications from Microsoft (MSCA), Cisco (CCNP), VMware (VCP), and CompTIA (A+ and Network+), and he has been recognized as a Microsoft MVP for many years. You can follow him on X (Twitter), YouTube, LinkedIn and Email him at [email protected].