The only legal way to obtain PAK1.PAK is to purchase the game. Verified versions are available on Steam and GOG , which provide the original unmodified PAK files alongside modern remastered versions.
Contains the full "registered" version content, including Episodes 2, 3, and 4. Where to Find Verified Downloads quake 1 pak files download verified
In Quake , a .pak file is a simple, uncompressed container for game assets. For the base game, you primarily need two files: The only legal way to obtain PAK1