An actuation handle for a door or window, the actuation handle comprising a) a handle having a handle neck, the handle being rotatably connected with an installation body, b) wherein the handle forms an operative connection via a driver with an actuation element in the door or window, and c) wherein the installation body is fixable on the door or window, the actuation handle further comprising d) detent elements (52, 62) that engage with each other in at least one functional position of the handle in a force-locking and/or positive-locking manner, e) wherein a first detent element is formed on a detent ring, the detent ring being movable in an axial direction and mounted in the handle neck in a non-rotatable manner, f) wherein a second detent element formed correspondingly to the first detent element is formed on a counter detent ring mounted on the installation body in a non-twistable manner, g) wherein a compression spring is positioned in the handle neck, the compression spring being arranged to push the detent ring against the counter detent ring in the axial direction, characterized in that h) a guide sleeve is provided in the handle neck, the guide sleeve accommodating the driver in a non-rotatable manner in a central position with respect to a rotary axis of the handle and comprising guide elements at its inner circumference, i) the detent ring has an identically shaped opening with respect to the driver in a central position with respect to the rotary axis of the handle and has guide elements located at its outer circumference, and j) the detent ring is inserted into the guide sleeve, with an opening in the detent ring serving as a receptacle for the driver, and guide elements of the detent ring engaging with guide elements on the guide sleeve in an axially-movable manner. a) a handle having a handle neck, the handle being rotatably connected with an installation body, b) wherein the handle forms an operative connection via a driver with an actuation element in the door or window, and c) wherein the installation body is fixable on the door or window, the actuation handle further comprising d) detent elements (52, 62) that engage with each other in at least one functional position of the handle in a force-locking and/or positive-locking manner, e) wherein a first detent element is formed on a detent ring, the detent ring being movable in an axial direction and mounted in the handle neck in a non-rotatable manner, f) wherein a second detent element formed correspondingly to the first detent element is formed on a counter detent ring mounted on the installation body in a non-twistable manner, g) wherein a compression spring is positioned in the handle neck, the compression spring being arranged to push the detent ring against the counter detent ring in the axial direction, characterized in that h) a guide sleeve is provided in the handle neck, the guide sleeve accommodating the driver in a non-rotatable manner in a central position with respect to a rotary axis of the handle and comprising guide elements at its inner circumference, i) the detent ring has an identically shaped opening with respect to the driver in a central position with respect to the rotary axis of the handle and has guide elements located at its outer circumference, and j) the detent ring is inserted into the guide sleeve, with an opening in the detent ring serving as a receptacle for the driver, and guide elements of the detent ring engaging with guide elements on the guide sleeve in an axially-movable manner.