Unzip & run the GZDoom - Launch Hedon.exe to play! NOTE: You cannot transfer your saves from one version to another. You can only copy your settings by copying your gzdoom-yourusername.ini from the previous version/game's folder into the new one's folder.
To play just unzip in a folder, and run GZDoom - Launch Hedon.exe
Make sure to read the FAQ and manual if you have any questions or issues. You can also report problems in the comment sections here or at firstname.lastname@example.org
Minimum System Requirements:
Operating System: Windows, 64-bit
GPU: Anything capable of running OpenGL 4.0 (eg. ATI Radeon HD 57xx or Nvidia GeForce 400 and higher)
Memory: 4GB RAM
Processor: Intel i5