MC Legacy Docs

MC Legacy Docs provides a concise, educational guide for decompiling Minecraft Preclassic, Alpha, and Beta versions, including how to set them up in an IDE !

About Us

Welcome to MC Legacy Docs!

This site is dedicated to guiding you through decompiling older versions of Minecraft, including Preclassic, Alpha, and Beta. Our goal is to provide clear, step-by-step instructions so you can explore the game’s source code for educational purposes.

We focus on safe, legal methods—using your own game files—so you can learn how Minecraft worked in its earliest versions.

Minecraft Preclassic (2009)

Minecraft Alpha (2010)

Minecraft Beta (2010–2011)

Disclaimer: Not an official Minecraft website. We are not affiliated with Mojang, Microsoft, or RetroMCP. All tutorials are for educational purposes only. Use only legally obtained Minecraft files.

Credits: RetroMCP / MCPHackers ↗