There is a native Windows shortcut for Send window to next/previous monitor: Win + Shift + Right/Left arrows. (Windows recently got bunch of keyboard shortcuts

There is a native Windows shortcut for Send window to next/previous monitor: Win + Shift + Right/Left arrows. (Windows recently got bunch of keyboard shortcuts, some overridable, some not. Sometimes you can discover them only with your AHK disabled, since you might have overriden them in the past...)