How do I turn off Tablet Mode in Windows 10?
From the "Settings" app:
Open "Settings", and click/tap on the "System" icon.
Click/tap on "Tablet Mode" on the left side, and turn off "Make Windows more frielndly when using your device as a tablet" on the right side.
From the "Action Center":
To Turn On Tablet Mode
Click/tap on the Action Center (Win+A) system icon in the taskbar notification area.
At the bottom of the Action Center, click/tap on the Tablet mode button to toggle it on (blue) or off (gray) for what you want.