- Builds 28120.3122 and 28020.3112 are rolling out to the Beta and Experimental channels for Windows 11 version 26H1 with a small set of improvements and fixes.
Microsoft has released Windows 11 Insider Preview builds 28120.3122 and 28020.3112 for version 26H1 via the Beta and Experimental channels in the Windows Insider Program. These flights introduce a small set of improvements and fixes.
According to the official notes (Beta) and Experimental, Windows 11 builds 28120.3122 (Beta) and 28020.3112 (Experimental) are small updates. Build 28020.3112 includes a fix for Hyper-V virtual machines using Plan9 to share folders between Windows and Linux. The issue prevented some Linux VMs from seeing or accessing folders shared from the Windows host.
On the other hand, build 28120.3122 includes general improvements and fixes to improve the experience for Insiders, but Microsoft does not detail any specific changes in the release notes.
Download Windows 11 update previews
To download and install these Windows 11 builds, enroll your Devices in the Experimental or Beta Channels through the “Windows Insider Program” settings from the “Update & Security” section. Once you enroll the computer in the program, you can download the build from the “Windows Update” settings by turning on the “Get the latest updates as soon as they’re available” option and clicking the “Check for Updates” button.


