There isn't a tablet mode toggle. Instead, convert it into a tablet physically however your 2-in-1 works, like by removing the keyboard or folding the screen Microsoft removed the manual tablet ...
If you want to disable all the hardware buttons on your Windows 11/10 Tablet PC then the Local Group Policy Editor and Registry Editor can help you turn off or disable all the OEM-defined buttons.
Many people hold onto their old, unused phones and tablets. We tell you how to prepare ... on the accessibility feature that allowed mouse use in the previous version of the OS.
This feature is called Tablet Mode, and users can enable and disable it at any time, even if they are not using a tablet ... allow you to decide how the computer works when in or out of tablet ...