Enable GPU Acceleration in After Effects

To enable GPU acceleration in After Effects CC 2023 and 2024, look under the File menu for the Project Settings command:

GPU options are the very first available in the Project Settings window, under Video Rendering and Effects:

We recommend that you choose Mercury GPU Acceleration (Metal) on all Macs, as it provides the best performance and compatibility on any system running macOS 11.5.1 and later.