Windows 10 build 18358 (19H1) releases with improvements

Microsoft pushes two more previews for the Windows 10 April 2019 Update, including build 18358 in the Fast ring, and build 18356.1 in the Slow ring. Here are all the details that you need to know.

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Windows 10 build 18358
Windows 10 build 18358

Microsoft is now rolling out Windows 10 build 18358 for PCs enrolled the Fast ring of the Windows Insider Program. This is the preview number 35 releasing as part of the April 2019 Update expected to arrive in the coming weeks.

Windows 10 build 18358, according to the company, is a small update that doesn’t introduce new features or significant changes, but it delivers some Game mode improvements that may degrade game streaming and recording quality.

It also fixes a problem may result on contents from the Recycle bin ending up in the Windows.old folder after installing the latest version, upgrade failing at 18 or 25 percent, and users should no longer see green screen of death with kernel security error.

In addition, Microsoft is also pushing Windows 10 build 18356.1 for devices in the Slow ring. This is the preview number 34 as part of the April 2019 Update, and the fifth available in the Slow ring, and it ships with same improvements available with the same build in the Fast ring.

Alongside the new improvements, Microsoft is also announcing several known issues for Windows 10 build 18358 at the Windows Blog.

Download Windows 10 build 18358

Although there are no ISO files for Windows 10 build 18358, 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
Avatar for Mauro Huculak

Mauro Huculak is a Windows expert and the Editor-in-Chief who started Pureinfotech in 2010 as an independent online publication. He is also been a Windows Central contributor for nearly a decade. Mauro has over 12 years of experience writing comprehensive guides and creating professional videos about Windows, software, and related technologies, 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 About.me.