G4e_dlc_1_4k.mp4

Many developers offer these 4K files as optional DLC (Downloadable Content) to save storage space for players using 1080p monitors, as 4K packs can increase total game size by over 100 GB. Age of Empires IV: 4K HDR Video Pack - Xbox

MP4 , a universal digital container that balances high compression with excellent image quality. G4E_DLC_1_4K.mp4

4K (Ultra High Definition) , providing 3840 x 2160 pixels for superior clarity. Many developers offer these 4K files as optional