Testers on the Fast ring who update to this build will be able to try out using the Windows Hello PIN code for signing into Safe mode, the troubleshooting Windows state that allows users to rule out whether default settings and basic device drivers are behind a glitch.
Currently Windows 10 users need to use a password for the task, but as Windows 10 20H1, they will be able to just sign in to the device with the Windows Hello PIN.
Microsoft says it's the next "step forward in our passwordless journey", referring to its efforts to weed out passwords from sign-in scenarios.
In Windows 10 version 1903, the latest generally available version, users can setup a passwordless 'phone number Microsoft account' only with a phone number in mobile Office apps, or Outlook on iOS or Android devices.
So far, Microsoft has focused on tightly integrating Windows 10 with select Galaxy devices, such as the Galaxy Note10. This preview brings new features from the Galaxy Note10 to the Samsung Galaxy S10, S10+, S10e, S10 5G, and the Galaxy Fold.
The update includes a feature called Link to Windows, which, Microsoft promises, "seamlessly connects your phone to your Windows 10 PC".
"With Link to Windows natively integrated into your device, it's simple and convenient to send messages, manage notifications, sync photos, and mirror your phone on your PC," Microsoft says.
Also rolling out to these Galaxy devices is 'Phone screen', a Your Phone feature that allows users to access Android phone apps from the PC. The phone apps can be accessed using the keyboard and mouse or touch.
"You can try out multi-touch gestures such as pinch to zoom, rotate, or swipe from your PC's touchscreen while using Phone screen," Microsoft says.