Drag the window by its title bar to the other monitor
Use Win + Shift + Left Arrow or Win + Shift + Right Arrow on Windows
Press Alt + Tab to select the window, then use Win + Shift + Arrow keys
Maximize the window, then drag it to the other screen
If the window is off-screen, right-click the taskbar icon and choose Move
Use the window menu with Alt + Space, then choose Move and use arrow keys
On macOS, drag the window’s title bar to the other display
On macOS, use Mission Control to move the window to another desktop or display
On Linux, use the window manager’s move option or drag the title bar to the other monitor