Since is still actively sold and supported by Bethesda, it is not legally considered "abandonware". While you can find files on archival sites, the safest and most reliable way to get the original 1994 experience on a modern PC is to purchase it through an official digital storefront. Where to Legally Download
: Purchase DOOM + DOOM II on Steam . You can access the original DOS versions via the "Beta Participation" property option or by looking in the game's installation folder for the DOOM2.WAD file. Download Doom 2 PC Game 1994
When you buy the modern enhanced version of , you typically get access to the original 1994 DOS files as well: Since is still actively sold and supported by
: Similar to Steam, these platforms sell the enhanced bundle which includes the legacy content. You can access the original DOS versions via
: GOG provides a DRM-free version that includes the original DOS files, often pre-configured to run on modern Windows via DOSBox.