About This File
Original source: ModDB
This is the shareware version of Quake. It is the latest version available.
The shareware come with the first episode "Dimension of the Doomed".
Note that this version was designed to work with DOS. To run it under modern systems, DOSBox or a source port is required.
Details (and a download link of the shareware PAK file) can be found on the Quake wiki page.