2021: Motion-5.5.3.dmg

Absolutely. Professional editors often archive every .dmg installer they use. Here is why keeping on an external drive or NAS is smart:

: The ".dmg" extension indicates that this is a disk image file, commonly used on macOS for distributing software. A DMG file is essentially a virtual disk that can be mounted on a Mac, allowing users to install software or access content as if it were on a physical disk. Motion-5.5.3.dmg

Once you have legally obtained (via the Mac App Store or a trusted backup), follow these steps to install it. Note: Distribute or download Apple software from torrent sites is illegal and risks malware. Absolutely