The most reliable way to get Quake is through major digital storefronts. Buying these versions usually includes both the versions and the Original (Legacy) game files.
Download the quake106.zip from archives like the Quake Wiki or community sites. Quake Champions on Steam Download Quake Games Pc
& Quake II (Enhanced) : Available on Steam , GOG , and the Epic Games Store . Quake III Arena : Best purchased on Steam or GOG . The most reliable way to get Quake is
Release Date: Aug 18, 2022. Early Access Release Date: Aug 22, 2017. which includes the entire first episode.
If you want to try the first game for free, you can legally download the "Shareware" version, which includes the entire first episode.