Saber Interactive and Boss Team Games ceased live content support in September 2023, and the game is no longer available for new digital purchases on Steam or the Epic Games Store . Safe Ways to Play (Current Status)
Since Evil Dead: The Game is an online-only asymmetric horror title, a standalone .zip file will generally not work because it cannot connect to the official servers required to play.
If you are looking for a legitimate way to experience the game, consider these verified methods: How to play Evil Dead The Game online