Windows 10 update settings with purple background

Windows 10 build 18351.26 (19H1) releases in the Slow ring

The fourth preview in the Slow ring for the Windows 10 April 2019 Update is now available.

Microsoft is now rolling out Windows 10 build 18351.26 for PCs in the Slow ring. This is the build number 33 becoming available for testers, and the fourth available in the Slow ring.

Windows 10 build 18351.26 is available as update KB4494195, and according to the company, this flight only improves the mechanism to deliver of cumulative updates. 

Alongside the new small change, this update doesn’t introduce anything any other than the improvements already available with Windows 10 build 18351. You can learn more about the flight at the Windows Blog.

Download Windows 10 build 18351.8

Although there are no ISO files for Windows 10 build 18351.26, the update is available immediately through the Slow 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 15 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 21 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].