Universal Gamemaker Patcher 2021 [upd] Here

The Universal GameMaker Patcher, prominent in 2021, is a tool designed to bypass licensing restrictions for various versions of the GameMaker engine, including GameMaker Studio 2 and 8.1. These tools often enable unauthorized access to export modules, though they present significant security risks and are considered, or flagged as, malware/piracy tools. For more information, visit the YouTube video explaining the tool at Universal GameMaker Patcher - FREE GMStudio, HTML5 and 8.1

Primarily used for GameMaker: Studio 1.4 , though some variants also support even older versions like GameMaker 8.0 and 8.1. universal gamemaker patcher 2021