Fix “java.lang.OutOfMemoryError: Java Heap Space” in Minecraft Java | 2025 RAM Allocation Guide!

Published: 19 April 2025
on channel: RG TECH

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Are you getting the "java.lang.OutOfMemoryError: Java Heap Space" crash in Minecraft Java Edition? 😓 Don’t worry! In this video, I’ll show you how to easily allocate more RAM to Minecraft and fix this error step-by-step in 2025.

This is perfect for modded Minecraft, low RAM systems, or players running Shaders, OptiFine, or large modpacks.

📌 What You’ll Learn:

Why you're getting this heap space error

How to safely increase Minecraft RAM using the Launcher

Recommended RAM settings based on your PC specs

Bonus: How to boost performance with JVM arguments

🧠 Works With:

Minecraft Java Edition (Latest Version)

CurseForge, ATLauncher, Technic, & other modpack launchers

Windows 10 & Windows 11

📌 JVM ARGUMENT USED:

-Xmx4G -Xms2G

(Adjust based on your RAM availability. Full explanation in video.)

💬 Drop a comment if you're unsure how much RAM to allocate or if you're still having crashes!

👍 Like the video if it helped
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#MinecraftJavaFix #JavaHeapSpaceError #OutOfMemoryErrorFix #MinecraftRAMFix #JavaOutOfMemoryError #MinecraftCrashFix #ModdedMinecraftFix #MinecraftJava2025 #MinecraftPerformanceTips #MinecraftModpackFix

Copyright Disclaimer :
Copyright Disclaimer under section 107 of the Copyright Act 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, education and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the No One Can Take Your Place in favor of fair use.

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