You can install the new Xbox Full screen experience mode for Windows on handhelds but whether it will work is another question entirely

Microsoft's "Full screen experience" mode for handheld gaming PCs shouldn't officially be usable yet, but it turns out you ...
AOL

How to split your screen on a Windows 10 computer to view multiple program windows at once

One of the advantages of having a large computer monitor is being able to see two or more windows side by side on the same screen. In Windows 10, splitting your screen makes it easier to copy and ...

We Tried the Xbox Full Screen Experience on the Original Ally X

The Xbox handheld will feature a new 'Full Screen Experience' mode, which I managed to get running on my original ROG Ally X.
Ars Technica

Microsoft pushes full-screen ads for Copilot+ PCs on Windows 10 users

Windows 10's free, guaranteed security updates stop in October 2025, less than a year from now. Windows 10 users with supported PCs have been offered the Windows 11 upgrade plenty of times before. But ...