Technically, yes via , but it is not recommended. You will lose performance and stability. You should install the native version (4.6 or later) instead.
If you have a backup of the original installer file (a .pkg or .app file from 2018), you can transfer it via AirDrop, external drive, or cloud storage. Apple ID authorization will still be required upon first launch. compressor 4.3.2 download
If you have a newer Mac, invest in the latest Compressor. The future of video encoding is HEVC, HDR, and machine learning — and only the newest versions truly deliver that promise. Technically, yes via , but it is not recommended
The answer depends entirely on your setup: If you have a backup of the original installer file (a
For many years, Compressor was sold as a standalone application on the Mac App Store (and previously as a physical disc). Unlike subscription models, these standalone purchases allowed users to stick with a version that worked for their hardware indefinitely.